Pandemic Shutdown Altered Bay Area Birdsongs
Pandemic Shutdown Altered Bay Area Birdsongs
As shelter-in-place orders quieted the city of San Francisco, its sparrow population developed softer, sexier songs.
Pandemic Shutdown Altered Bay Area Birdsongs
Pandemic Shutdown Altered Bay Area Birdsongs

As shelter-in-place orders quieted the city of San Francisco, its sparrow population developed softer, sexier songs.

As shelter-in-place orders quieted the city of San Francisco, its sparrow population developed softer, sexier songs.

human impact
Image of the Day: Safety in Numbers
Image of the Day: Safety in Numbers
Chia-Yi Hou | Jul 22, 2019
Male Asian elephants are forming long-term, all-male groups to forage in agricultural areas of India.
Image of the Day: Death Traps
Image of the Day: Death Traps
Chia-Yi Hou | Jul 18, 2019
Sharks and rays can get entangled in abandoned fishing gear, leading to injuries or death.
Evolution Takes a Road Trip
Evolution Takes a Road Trip
Dan Cossins | May 31, 2013
Highways and byways are among the man-made environmental alterations driving the evolution of animals on contemporary timescales, with implications for ecology.