While fairies are mythical, hummingbirds are real-life winged fairies of our gardens. We tend to think of just bees and butterflies as pollinators, but the tiny, jewel-like birds also play a crucial pollinator role. Hummingbirds co-evolved with native nectar plants, each benefiting the other. A keystone species (a species which other species in an ecosystem largely depend on, so if it disappeared the ecosystem would be severely altered), hummingbirds pollinate at least 20% of specialized indigenous plant species.
Hummingbird Facts
Hummingbirds have a very high metabolism and must eat all day. They consume about half their body weight each day while feeding. Nectar from 1,000-2,000 flowers provides 20% of a hummingbird's daily diet, which they drink with a fringed forked tongue in their long beak. Insects provide the bulk of their diet, which includes beetles, aphids, gnats, mosquitoes and wasps.
The smallest hummingbird, the Bee hummingbird (Mellisuga helenae), is a native of Cuba. With a body about an inch long, it weighs the equivalent of 1/4th teaspoon of sugar! The “large” Giant hummingbird (Patagonia gigas) of western South America is about eight inches long (20 cm), weighing less than half of most sparrows.
California Hummingbirds
California has about nine species of hummingbirds with four commonly seen species in the Stanislaus County area listed here in order of most abundant to the least:
- Anna's hummingbird (Calypte anna): This permanent year-round resident is a common sight in many of our gardens. The colorful red-headed male is the largest and most prominent of our local hummingbirds. The fastest of all hummingbirds, it can fly up to 60 miles per hour. Males perform a death-defying courtship dive, plummeting to the ground at speeds and accelerations that put jet pilots to shame. Females build the nests and care for the young alone, having three broods a year.
- Rufous hummingbird (Selasphorus rufus): With its beautiful orange-red gorget (a hummingbird's brilliant throat feathers), these migrating birds are a beautiful sight in local gardens in the spring and fall. Unlike the green body feathers of other common species in our area, the male has copper-colored feathers. Nesting further north than any other hummingbird, they fly up to 2,000 miles (3,200 km) during their migratory journeys to Canada.
- Black-chinned hummingbird (Archilochus alexandri): Another migratory species, it spends winters in Central America while nesting here in the summers. The male has a black face with a purple gorget at the base of the chin. The female builds a well-camouflaged nest in a shrub or tree.
- Costa's hummingbird (Calypte costae): The smallest and least common of our local hummingbirds, it breeds and nests here in summers, spending winters in Baja California/western Mexico area. The male has a colorful purple gorget and neck.
A Hummingbird Friendly Garden
To make the sugar syrup combine one-part white cane sugar to four parts boiling water and let cool. Do not use honey, molasses, brown sugar, agave, artificial sugar, etc. as these can be harmful to hummingbirds. Food coloring is unnecessary since the red color of the feeder will attract the birds. If possible, place the feeders out of direct sunlight. Refill and clean feeders every 3-4 days (more frequently in hot weather) with a bottle brush, hot water, and a little white vinegar (which retards mold). Extra sugar syrup can be stored in refrigerator for a week or so.
In addition to sucrose, nectar provides additional sugars (glucose and fructose), along with compounds such as carbohydrates, amino acids, vitamins and oils which sugar feeders cannot provide. So, flowering plants that produce nectar should also be present in your garden to give hummingbirds a diverse, nutritious diet. Hummingbirds favor flowers that are tubular, in red, orange or bright pink colors. Some good choices include penstemons, fuchsias, red salvias, and bee balms.
A hummingbird friendly garden should also include trees and bushes for perching, hiding and nesting, water for drinking and bathing, and safety from domestic cats.
An excellent plant list resource provided by UC Agriculture & Natural Resources (UC ANR) and Master Gardener is Plants that Attract Hummingbirds – Zones 8 and 9: https://ucanr.edu/sites/UC_Master_Gardeners/files/287098.pdf
Hummingbird Challenges
Both the local Rufous hummingbirds and Black-chinned hummingbirds are among those considered to be at risk (https://www.audubon.org/news/how-climate-change-threatens-hummingbirds).
By providing backyard sanctuaries with feeders and native plants we can help support these valuable feathered fairies of our gardens, so they can continue to delight us and pollinate our plants.
Additional Resources
https://wildbirdworld.com/hummingbirds-of-california/
https://www.cnps.org/gardening/hummingbird-gardening-5098
Denise Godbout-Avant has been a UCCE Master Gardener with Stanislaus County since 2020.
/h3>/h3>/h3>/h3>/h3>- Author: Denise Godbout-Avant
There are three groups of plants that attract birds and each group draws different types of birds: Nectar plants, plants that provide seeds or nuts, and plants that produce berries or fruit. Many plants will provide more than one source of food, i.e., nectar in the spring and berries in autumn.
Here is a list of a few favorite native plants in each group and some of the birds they may attract.
Hummingbirds and Nectar
Hummingbirds prefer tubular shaped flowers that fit the length of their beak, and are bright in color, particularly red. Native salvias (sages), penstemon, columbine, and honeysuckle all serve up nectar for hummingbirds.
- Sages (Salvias): There are about 18 sages native to California, with Hummingbird sage (Salvia spathacea) being one of them. The common name says it all! Fruity scented dark rose-lilac blossoms appear in March – May. It also produces autumn seeds that attract birds such as sparrows and finches.
- Western Redbud (Cercis occidentalis). A small deciduous tree or shrub found in the foothills and mountains of California with distinctive shiny heart-shaped leaves. The showy bright pink or magenta flowers develop in the later winter and spring, growing in clusters all over the shrub, making the plant very colorful and noticeable in the landscape. Goldfinches and sparrows will feed on seeds produced in the fall.
- California Fuchsia (Epilobium canum). There's probably no better California native plant for attracting hummingbirds. A perennial plant, it blooms a bright profusion of scarlet flowers in spring and summer, and is often the only native California flowering plant blooming at the height of summer.
Birds That Eat Seeds
- Bush sunflower (Encelia californica), commonly referred to as "California bush sunflower.” With abundant bright yellow daises, it is beautiful in late winter through summer. Attracts goldfinches, sparrows, orioles, crows, Scrub jays, grosbeaks.
- California aster (Symphyotrichum chilense). A member of the Asteraceae family it is native to western North America. The summer blooming flowers come in blues, purples and yellow colors. It is also a host plant for the Northern Checkerspot, Field Crescent and Pearl Crescent butterflies.
- Deergrass (Muhlenbergia rigens), also known as Meadow Muhly and Deer Muhly, is a summer-growing, perennial bunchgrass whose seeds attracts woodpeckers, finches, grosbeaks, crows and jays.
Berry Plants are Important to Birds
Many shrubs and small trees provide berries that ripen at different times, so providing a seasonal variety, such as cherries for birds during the breeding seasons of spring and summer, and holly in winter, helps sustain birds throughout the year.
- Golden Currant (Ribes aureum). A deciduous plant that blooms in late winter and spring with golden yellow flowers that attract hummingbirds. The ripe berries in autumn are amber yellow to black in color, are edible, and attract a wide range of birds. There are two main varieties: Ribes aureum var. aureum and Ribes var. gracillimum.
- Blue Elderberry (Sambucus Mexicana). Also known as Mexican elderberry, the berries from elderberries are one of the most important sources of food for birds in California. Native from Oregon to Baja all the way to western Texas, it has cream or yellow flowers in the spring and purple berries in the fall.
- Toyon (Heteromeles arbutifolia). Toyon is a beautiful perennial chapparal shrub native throughout the western part of California and the Sierra foothills. It is also known by the common names Christmas berry and California holly from the bright red berries it produces during the winter months, which are produced in large quantities, maturing in the fall and persisting well into the winter. Note: the berries are toxic to humans in large amounts.
- California False Buckthorn (Frangula californica). This perennial, evergreen shrub is also known as Coffeeberry due to its berries containing seeds that resemble coffee beans. The shrub produces small, greenish white flowers in the summer, followed by dark berries that are sought after by birds.
By providing a variety of native plants that produce nectar, seeds and berries to attract different types of birds, you'll be providing a healthy haven for birds all year round, along with many other species of pollinators such as bees and butterflies!
Denise Godbout-Avant has been a UCCE Stanislaus County Master Gardener since 2020.
Resources
California Native Plant Society https://www.calscape.org/ and garden planner https://gardenplanner.calscape.org/
A list of plants that naturally attract California Birds to your Garden https://www.laspilitas.com/bird.htm
Audubon native plants database https://www.audubon.org/native-plants
A true treasure of the Americas, hummingbirds are a diverse family of more than 340 species, only 17 of which are found north of Mexico. They are also keystone mutualists, nectar feeders that have coevolved with the indigenous plants they pollinate. For example, in the woody grasslands of Patagonia at the southern tip of South America, many trees, shrubs, and flowering plants can only be pollinated by Sephanoides sephanoides, a hummingbird known as the green-backed firecrown. These birds pollinate a full 20% of local plant species, playing a crucial role because no other pollinator has adapted to pollinate these plants.
Comprising the family Trochilidae and closely related to swifts, hummingbirds are one of the most diverse avian families in the world. They have adapted to a variety of landscapes which consistently offer an abundance of flowers: temperate woodlands, mountain meadows, cloud forests, tropical rainforests, deserts, and many urban and suburban gardens throughout the United States.Most areas in the U.S. have one or two breeding species, and only the ruby-throated hummingbird nests east of the Mississippi.Most hummingbirds spend the winter in Mexico or Central America, migrating north to their breeding grounds in the southern U.S. and western states as early as February, although the Anna's hummingbird has become a permanent resident in California.
Even so, nectar represents only 20% of a hummingbird's diet; the spiders and insects they catch in midair and feed to their nestlings constitute the remaining 80%. For example, a nesting female Anna's can capture up to 2,000 insects a day; small species like midges and leaf hoppers are preferred. Hummingbirds consume half their body weight in insects and nectar each day.
Hummers also have an exceptional spatial memory which directs them to return to the same sugar water feeders after migrating thousands of miles each year. According to Terry Masear in her book Fastest Things on Wings, “Migratory hummingbirds can remember to within inches the precise location and height of a sugar feeder they frequented before heading south for the winter.” They return to the same feeder on the same day, year after year, and if the feeder is hanging higher or lower than last year, they will initially hover at last year's height.
Despite their diminutive size, hummingbirds are fierce and territorial. They will drive their peers away from a favorite food source and will chase and dive at larger birds to defend a nest, while buzzing, posturing and fighting with their needle-like bill and sharp talons.
These tiny aerial acrobats are the only birds able to fully support their weight while hovering, to stop in midair, and to fly backwards, sideways and upside down. They can do this because their wings rotate at the shoulder. They have been clocked at speeds of 25 to 30 mph, doubling or tripling that during courtship dives. They have the stamina to traverse up to 20 miles a day during migration, with nonstop flights of 18 to 22 hours over open ocean, covering thousands of miles in their yearly travels. Unlike waterfowl that migrate in flocks, hummingbirds fly alone.
Hummingbirds owe their shimmering iridescence to microscopic pancake-like structures in their feathers called melanosomes, packed with air bubbles that reflect light.
Humans have long been fascinated by hummingbirds. The Aztec god Huitzilopochtli is often depicted as a hummingbird. The Native American Ohlone people of the central California coast have a creation myth in which the hummingbird figures prominently, as well as a legend explaining how the hummingbird got his brilliant red throat. In Hopi and Zuni culture, Hú (also known as Huhuwa and Tithu or Tocha) is the Kachina of the hummingbird who helped convince the gods to bring rain. The Mayans, Cherokee and Cheyenne have hummingbird legends as well.
The European conquerors of the New World were intrigued by these tiny “winged jewels.” The French called them oiseaux mooches (“bird flies”), to the Portuguese they were beija-flores (flower kissers), and in Spanish they were known as chupaflores or picaflores. The English called them humbirds beginning in 1640, later changing the name to hummingbird.
Butte County Hummingbirds
The Anna's hummingbird (Calypte anna), named for 19th century Italian duchess Anna Massena, is one of the larger and more vocal hummingbirds in the United States, and the only one to produce a song. In an elaborate courtship display, the Anna's male flies upward 100 feet or more, then dives at around 50 miles per hour in a U-shaped arc, spreading his tail at the bottom of the dive to create a high-pitched tone and simultaneously flashing his magenta gorget (patch of color at the neck). The Anna's female has a smaller magenta gorget. These birds have adapted to wintering in California when other species migrate, allowing them to take advantage of food sources free from competition.
A Hummingbird-friendly Garden
With a little forethought, you can create a hummingbird-friendly environment in your own yard. If you encourage your neighbors to do the same, you can create a corridor of inviting habitat for migrating or overwintering birds.
Sugar water feeders are an obvious addition, preferably more than one and spaced apart since hummingbirds are territorial. Placing the feeder near nectar-producing plants is ideal, so that hummers get a better balance of nutrients from the feeder, plant nectar and insects.
Placing the feeder out of direct sunlight, if possible, will slow down the growth of mold. Clean and refill the feeder every 3 or 4 days, or when it begins to look cloudy or wild yeast starts to form (it appears as flecks on the surface of the liquid around the edges). Clean the feeder with a bottle brush, hot water, and a little white vinegar. Extra sugar syrup can be stored in the refrigerator for a week or so.
“The most important thing about feeders is to keep them clean, which can require vigilance in a hot climate,” states Terry Masear, who rescues and rehabs hummingbirds in southern California, adding that hummers can get fungal infections from dirty feeders, “and it's the most horrible way for them to die.”
The California Native Plant Society advises attracting and supporting hummingbirds by including nectar-rich plants in the garden, especially native plants that hummingbirds have evolved alongside and that depend on them for pollination. Native plants provide more nectar than non-natives, and studies show that hummingbirds prefer natives.
Providing nectar-producing plants that bloom through the seasons of the year will help ensure that hummers keep returning to your garden. For fall to winter bloom, consider planting native perennials such as Manzanita genus Arctostaphylos, Chaparral current Ribes malvaceum, Fuscia-flowered gooseberry Ribes speciosum or Hummingbird sage Salvia spathacea. Non-natives like bottlebrush, bird of paradise, Mountain sage Salvia regla or Indian hawthorne Rhaphiolepis – R. indica are also good choices.
Spring blooming native perennials include Chuparosa Justicia californica, Burgundy desert willow Chilopsis linearis ‘Burgundy', Pink-flowering currant Ribes sanguineum glutinosum, and Black sage Salvia mellifera, while non-native lavender or lantana are also good picks. Native flowers such as California Fuchsia Zauschneria or Epilobium canum, Hummingbird sage Salvia spathacea, species of Beardtongue Penstemon, Indian Paintbrush genus Castilleja and Coyote mint Monardella villosa all begin blooming in spring, as do non-native salvias, snapdragons, and begonia Begonia semperflorens.
Native plants that bloom summer through fall include Monkeyflowers genus Mimulus, Lupins Lupinus and Mexican Bush Sage Salvia leucantha, while non-native Giant hyssop genus Agastache, Hollyhock Althea rosea, Lily of the Nile Agapanthus, Rose of Sharon Hibiscus syriacus, plus petunias and zinnias are all attractive to hummingbirds.
The University of California Cooperative Extension Master Gardeners of Tulare-Kings County offer a helpful plant list: Plants That Attract Hummingbirds: Zones 8 and 9.
The ideal garden for hummingbirds is free of chemicals and a little messy.
Besides diverse and abundant flowering plants grown in large patches for more efficient foraging, a hummingbird-friendly garden includes tall trees for perching and nesting, water for bathing (a misting device is especially attractive), safety from domestic cats and tree trimmers during nesting season, and insects to feed upon.
Throughout the Americas, hummingbirds pollinate plants that in turn feed them nectar, and this keystone mutualism between plants and birds holds their natural habitat in balance. Without hummingbirds, the ecosystem would be dramatically altered. Hence, these tiny “winged jewels” need our attention and protection, because the fate of hummingbirds is tied to our own.
UC Master Gardeners of Butte County are part of the University of California Cooperative Extension (UCCE) system. To learn more about us and our upcoming events, and for help with gardening in our area, visit our website. If you have a gardening question or problem, email the Hotline at mgbutte@ucanr.edu (preferred) or call (530) 538-7201.
- Author: Kathy Keatley Garvey
Yes, hummingbirds are pollinators, too!
A capacity crowd of 250 will attend the fourth International Pollinator Conference, to be hosted by the University of California, Davis, from Wednesday, July 17 through Saturday, July 20 in the ARC Ballroom.
A welcoming reception took place from 6:30 to 8 tonight (Wednesday) in the Good Life Garden at the Robert Mondavi Institute, 392 Old Davis Road.
Themed “Multidimensional Solutions to Current and Future Threats to Pollinator Health,” the conference will cover a wide range of topics in pollinator research: from genomics to ecology and their application to land use and management; to breeding of managed bees; and to monitoring of global pollinator populations.
Co-chairs are pollination ecologist Neal Williams and Extension apiculturist Elina Lastro Niño of the UC Davis Department of Entomology and Nematology. The UC Davis Honey and Pollination Center, directed by Amina Harris, is coordinating the conference. Events manager Elizabeth Luu serves as the conference coordinator.
Keynote speakers are Lynn Dicks, Natural Environment Research Council (NERC) Research Fellow, School of Biological Sciences, University of East Anglia, England, and Christina Grozinger, distinguished professor of entomology and director of the Center for Pollinator Research, Pennsylvania State University, (the research center launched the pollinator conferences in 2012).
Dicks will speak at 9 a.m., Thursday, July 18 on "The Importance of People in Pollinator Conservation" while Grozinger will address the crowd at 9 a.m., Friday, July 19 on "Bee Nutritional Ecology: From Genes to Landscapes."
Dicks, an internationally respected scientist, studies bee ecology and conservation. She received the 2017 John Spedan Lewis Medal for contributions to insect conservation. Grozinger studies health and social behavior in bees and is developing comprehensive approaches to improving pollinator health and reduce declines.
Among the speakers is Rachel Vannette, assistant professor, UC Davis Department of Entomology and Nematology, who will discuss her hummingbird research.
The agenda:
Wednesday, July 17
- 6:30 to 8 p.m.: Early Registration and welcome reception in the Good Life Garden at the Robert Mondavi Institute, 392 Old Davis Road, Davis.
Thursday, July 18
6:45 to 8:30 a.m., breakfast at Segundo Dining Commons
8:45 a.m. Opening remarks and welcome
9 a.m. Keynote Address: "The Importance of People in Pollinator Conservation" by Lynn Dicks, School of Biological Sciences, University of East Anglia, UK
10 a.m. Session 1: Novel Quantitative Methods in Pollinator Ecology & Management
- "The Role of Bee and Non-Bee Pollinators in Australian Open and Protected Cropping Systems (How do we overcome the pollination challenges?)" - Romina Rader, University of New England, Australia
- "Implementing a Honeybee Foraging Model and REDAPOLL Fruit Set Predictions in Washington State's Decision Aid System" - Vince Jones, Washington State University
- "Using DNA metabarcoding techniques to improve plant-pollinator interaction networks" - Victoria Reynolds, University of Queensland, Australia
- "Citizen Science Data for Mapping Bumblebee Populations" - Claudio Gratton, University of Wisconsin
11:15 to 11:30: Break (Light refreshments in the foyer) - "From Theory to Practice: The Bumble-BEEHAVE Model and its Application to Enhance Pollinator Friendly Land Management" - Matthias Becher, University of Exeter, UK
- "A Laboratory System to Study the Effects of Stressors on Honey Bee Health and Fecundity" - Julia Fine, USDA-ARS Davis, Calif.
- "Using Automated Tracking to Link Individual Behavior to Colony Performance in Bumble Bees" - James Crall, Harvard University
Lunch at Segundo Dining Commons (opens from 11:30 a.m. - 1:30 p.m.)
1:45 p.m. Session 2: Drivers of Host-Pathogen Interactions
- "DWV as a Driver of Host Bee Decline" - Robert Paxton, Martin-Luther University, Germany
- "Novel Transmission Routes and Intensification as Drivers of Disease Emergence and Virulence in Honey Bee viruses" - Mike Boots, UC Berkeley
- "Viral Transmission in Honey Bees and Native Bees Supported by a Global BQCV Phylogeny" - Elizabeth Murray, National Museum of Natural History, Smithsonian Institution
3 to 3:15: Break (Light refreshments in the foyer)
- "Drivers of Pathogen Distributions in Feral and Managed Honey Bees" - Panuwan Chantawannakul, Chiang Mai University, Thailand
- "Serratia marcescens, a Pathobiont of Honey Bees?" - Kasie Raymann, University of North Carolina Greensboro
- "Foreign Fungi in Native Bees across the Commonwealth of Virginia" - Kathryn LeCroy, University of Virginia
- "Traits as Drivers of Plant-Pollinator-Pathogen Networks" - Quinn McFrederick, UC Riverside and Scott McArt, Cornell University
4:30 p.m.: Poster Session 1 in the ARC Ballroom - 6:30 to 8 p.m. Opening Reception
Robert Mondavi Institute Sensory Building, 392 Old Davis Road, Davis
Honey Tasting led by Amina Harris, director, Honey and Pollination Center
Friday, July 19
6:45 a.m. to 8:30 a.m., Breakfast at Segundo Dining Commons
9 a.m. Keynote: "Bee Nutritional Ecology: From Genes to Landscapes," by Christina Grozinger, Penn State University
10 a.m. Session Three: Variable Climates and Changing Pollinators
- "Bee Responses to Climate Change: from Micro- to Macroecology" - Jessica Forrest, University of Ottawa, Canada
- "A Climate Vise of Temperature Extremes May Explain Past and Predict Future Bumble Bee Range Shifts" - Michael Dillon, University of Wyoming
- "Climate Change Effects on Megachilidae Bee Species along an Elevation Gradient" - Lindsie McCabe, Northern Arizona University
10:15 to 11:05: Break (Light refreshments in the foyer) - "Testing the Phenological Mismatch Hypothesis for a Plant-Pollinator Iinteraction" - Charlotte de Keyzer, University of Toronto, Canada
- "Phenological Mismatch between Bees and Flowers Early in the Spring and Late in the Summer" - Gaku Kudo, Hokkaido University, Japan
- "Climate Change Impacts on Brazilian Pollinators" - Tereza (Cris) Giannini, Federal University of Para, Brazil
- "Pollinator Health in a Commercial Blueberry System" - Lief Richardson, University of Vermont
Lunch at Segundo Dining Commons (opens from 11:30 a.m. - 1:30 p.m.)
Optional Discussion: How do you relate your science to justice, equity and advocacy issue
1:45 Session 4: Causes and Consequences of Pesticide Use: From Use Patterns to Pollination Services
- "A New Framework for Environmental Risk Assessment of Pesticides" - Francisco Sánchez-Bayo, University of Sydney, Australia
- "Potency Paradox: Patterns and Drivers of Insecticide Use in U.S. Agriculture" - Maggie Douglas, Dickinson College
- "Estimating Pollinator Pesticide Exposure" - Maj Rundlof, Lund University, Sweden
Break (Light refreshments in the foyer) - "A Risk Assessment of Neonicotinoid Insecticides in New York" - Travis Grout, Cornell University
- "Risk of Exposure in Soil and Sublethal Effects of Systemic Insecticides Applied to Crops on Adult Female Ground-Nesting Bees Using the Hoary Squash Bee as a Model Species" - D. Susan Willis Chan, University of Guelph, Canada
- "Delayed Lethality: The Effects of a Widely-Used Fungicide on Honey Bees (Apis mellifera)" - Adrian Fisher II, Arizona State University
- "Sub-lethal Impacts of Pesticides on Bees" - Troy Anderson, University of Nebraska
Poster Session 2 and Networking at the ARC Ballroom
Saturday, July 21
8 a.m. Registration at the ARC Ballroom
6:45 a.m. to 8:30 a.m.: Breakfast at Segundo Dining Commons
9 a.m.: Session 5: Integrative Approaches to Improving Bee Health Across Landscapes
- "Combining Physiological and Ecological Data for More Effective Bee Protection and Conservation" - Cedric Alaux, INRA, France
- "Keeping Bees in a Warming World: Protein Biomarkers for Heat Stress and Queen Failure Diagnostics" - Alison McAfee, North Carolina State University
- "Factors Influencing Colony Survival in Migratory Beekeeping Based on Honey Bee Resistance Traits" - Michael Simone-Finstrom, USDA-ARS, Baton Rouge, Louisiana
- "Temporal and Spatial Dynamics of Pollinator Communities across North Carolina Agroecosystem" - Hannah Levenson, North Carolina State University
- "The Effects of Land Cover on Habitat Quality for Nesting Bumble Bees" - Genevieve Pugesek, Tufts University
10 to 10:15 a.m. Break (Light refreshments in the foyer) - "Improving Bee Health in Canola Pollination" - Shelley Hoover, Alberta Agriculture and Forestry
- "Mitigating Land Use Decisions that Destroy Bee Forage" - George Hansen, Foothills Honey, Oregon, USA
- "Impact of Landscape-Scale Floral Resources Availability on Pollinator Communities" - Aaron Iverson, Cornell University
- "Why are Crops Mainly Visited by Broadly Polylectic Bee Species?" - Katja Hogendoorn, The University of Adelaide, South Australia
12:15 Lunch
1:40: Session 6: Pollinators in Urban Environments
- Presentation by The Wonderful Company
- Honoring new California Master Beekeeper graduates - Elina Niño, UC Davis
- "Floral Trophic Ecology of a North American Metropolis Revealed by Honey Bee Foraging Assay" -
Doug Sponsler, Penn State University - "Pollinators and Urban Warming: A Landscape Physiology Approach" - Elsa Youngsteadt, North
Carolina State University - "Green Infrastructure to Support Urban Wild bees: Communicating Science to Practitioners" - Scott
McIvor, University of Toronto, Canada - "Urban Pollinator Conservation Opportunities: Integrating Research with Policy and Practice" -
Katherine Baldock, University of Bristol, UK - "Linking Pollinator Health, Microbiome Composition and Human Provisioning in Anna's Hummingbird
(Calypte anna) - Rachel Vannette, UC Davis
Break (Light refreshments in the foyer) - "Beekeeping Ordinances: Protecting bees and Neighbors" - Tracy Ellis, San Diego County
Department of Agriculture - "Beekeeping in the City: Successes and Challenges" - Charlie Blevins, San Francisco Beekeepers'
Association - "Electric Power Companies Protecting Pollinators" - Jessica Fox, Electric Power Research Institute,
Palo Alto - "The Effect of Land use on a Sexually Selected Characteristic of the Cabbage White Butterfly (Pieris
rapae) in the United States" - Anne Espeset, University of Nevada, Reno - "Urban Pollinator Conservation: Bee Campus USA and Bee City USA as a Model for Meaningful
Community Engagement" - Phyllis Stiles, Xerces Society for Invertebrate Conservation, Portland,Ore.
(There are no plans to video-record the conference, according to Elizabeth Luu (luu@caes.ucdavis.edu) of the UC Davis Honey and Pollination Center, the events coordinator for the conference.)
- Author: Anne E Schellman
In our previous blog, we posted a Pollinator Quiz. How did you do? Check the answers below to find out. Please post your responses in the comments section, or reply to the post on our Facebook page.
Question #1: What is pollination?
Pollination happens when pollen is moved by an insect, animal, or the wind. Pollen moves between the male part of a flower to the female part of either the same flower or another flower of the same species. This is how fertilization takes place and produces fruits and seeds.
Question #2: Which of the following are pollinators?
- (European) Honey bees
- Flies
- Wasps
- Butterflies
- Moths
- Hummingbirds
- Dragonflies
- Rats
- Native bees
- Lizards
- Beetles
All the above are pollinators, except for dragonflies, rats, and lizards! You may have been surprised to see flies, wasps, bats, and beetles listed. These pollinators help fertilize plants, although some are more efficient than others. You can support these animals and insects by planting a pollinator garden.
Question #3: What 3 important things do you need to provide in your garden to support pollinators?
When planning a pollinator garden, keep these 3 elements in mind:
Food
Flowers provide nectar (energy) and pollen (protein) for pollinators. However, moth and butterfly larvae (also called caterpillars) often rely on one specific plant for food.
To attract pollinators when planning your garden, purchase at least three of each kind of plant species and plant them in a group. This makes it easier for pollinators to find the plants and to return to your garden.
In fall and late winter, nectar and pollen resources are scarce, so look for plants such as Knifophia ‘Christmas Cheer,' California fuchsia (Epilobium spp.), various species of salvia such as ‘Mexican Sage' (Salvia leucantha) and Gooseberry (Ribes spp.). You can also visit nurseries and garden centers to see what's in bloom during those times.
Water
Many pollinators need water for survival. Bird baths and fountains attract hummingbirds and bees and help them stay hydrated. However, make sure your water source isn't too deep, or the pollinators may drown. Add pebbles or stones to shallow dishes and floating corks to deeper containers.
Shelter
Moths and Butterflies
In addition to providing food for moths and butterflies, larval food plants also provide shelter. If you remember the book The Very Hungry Caterpillar, these critters eat a lot! Make sure you have enough food, and be prepared to have your plants stripped bare of leaves if you get a lot of caterpillar visitors!
Native Bees
Seventy percent of native bees nest in the ground, so leave bare areas in your landscape for them. The other thirty percent nest in wood or a cavity created by another critter. Create bee boxes by drilling holes ¾ apart of various diameters between ¼ to ⅜ inches. To see native bee photos, visit the UC Davis Arboretum & Public Garden page Beyond the Honey Bee. To create habitat for wood nesting bees, visit this Xerces Society page for directions.
Honey Bees
If you want to have your own hive, you can learn all about it and even take classes at UC Davis. Visit the Apiculture Courses page.
Online Resources
How to Attract and Maintain Pollinators in Your Garden
California Bee-Friendly Garden Recipes
Gardening for Pollinators
What You Might Not Know about Hummingbirds
Get to Know Common Local Native Bees
Print Resources
Frankie, G.W. et al. 2014. California Bees and Blooms, a Guide for Gardeners and Naturalists. Berkeley: Heyday books.
Jadallah, C. et al. 2017. Common Bees in California Gardens, UC ANR Publication 3552. (Bee identification cards, spiral bound.)
Shapiro, A.M., and T. Manolis. 2007. Field Guide to Butterflies of the San Francisco Bay and Sacramento Valley Regions. Berkeley: University of California Press.