Results Show Lights Out Philly Works
Academy of Natural Sciences
MARCH 3, 2023
and 119 species have been documented colliding with buildings in Philadelphia since 2008. Warblers (30 species and 48% of all individuals) and new world sparrows (nine species and 21% of all individuals) make up the largest percentages of the birds that have been documented colliding with buildings in downtown Philadelphia since 2008.
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