Urban light pollution linked to smaller eyes in birds

ScienceDaily
Sep 20, 2023, 11:12 am89 pts
The bright lights of big cities could be causing an evolutionary adaptation for smaller eyes in some birds, a new study indicates. Researchers found that two common songbirds, the Northern Cardinal and Carolina Wren, that live year-round in the urban core of San Antonio, Texas, had eyes about 5% smaller than…

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