USFWS Migratory Birds
@USFWSBirds
Official Twitter account of the @USFWS Migratory Bird Program
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20-12-2012 15:39:45
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As an aerial insectivore, Cassin's kingbirds play an essential role in ecosystems by balancing insect populations, including wasps, beetles, caterpillars, moths, grasshoppers, true bugs, flies, and spiders!π¦ #WMBD24 #WorldMigratoryBirdDay #BringBirdsBack