Washington State University: Urban Light Pollution Linked to Smaller Eyes in Birds
September 20, 2023
September 20, 2023
PULLMAN, Washington, Sept. 20 (TNSres) -- Washington State University issued the following news release:
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 members of the same species from the less bright outskirts. . . .
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 members of the same species from the less bright outskirts. . . .