Butter butts

The Yellow-rumped Warblers have arrived!! With less thank a third of our nets open due to some high winds we were contending with, we captured 31 “butter butts” (so nick-named because of their large yellow patch on their rump which serves as a key field mark). A respectful 49 birds in total consisting of hummingbirds, Black-and-white Warblers, a few sparrows and our first of the season Hooded Warbler, Black-throated Green Warbler, and Louisiana Waterthrush. One of the projects we are working on this year looks at the foraging behavior of Black-and-white Warblers. We are color banding them and then one of the field techs is focusing on trying to find each individual and observing their behavior (easier said than done). See picture of the crew trying to determine if a bird they have spotted has been banded or not.
More to come soon.



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