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Invasive Spotlight: Invasive Plants
Jun 5, 2018
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![Mud nests made by a colony of cliff swallows. [W.P.Gorenzel]](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/36152_square.jpg "Mud nests made by a colony of cliff swallows. [W.P.Gorenzel]")
World Migratory Bird Day
May 9, 2016