Two of the more common spring migrants in our are the Yellow Warbler (above) and the Warbling Vireo (below).Yellow Warblers operate mostly near ground level. I saw 4 males in one location this weekend chasing each other around and trying to out-sing each other in an effort to see who claims rights to which real estate.
They are frequent victims of Brown-headed Cowbirds who lay their eggs in the Yellow-Warblers nests in order to pass off the parenting responsibilities to the poor Yellow-Warbler. However, the warblers have figured out a way to outsmart the cowbirds by building another nest over the top of the cowbirds eggs!Most new birders are haunted by the sound of the singing Warbling Vireo. They have a song that repeats the same pattern over and over all summer long but they aren't always the easiest birds to see. When you do find one it can be a little disappointing to find out that the source of all this singing is just a plain, drab grayish bird!
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