Often the first indication that something is out of the ordinary is a flash of brilliant blue and the screechy calls of a scrub-jay streaking through the yard, or the tin horn-like toots of a ...

WASHINGTON (AP) — A meticulous re-creation of a 3-decade-old study of birds on a mountainside in Peru has given scientists a rare chance to prove how the changing climate is pushing species out of the ...

Climate change is driving drastic environmental shifts and accelerating global biodiversity loss. Hybrid introgression has ...

A 30-year "snapshot study" of birds in the Pacific Northwest is showing their surprising resilience in the face of climate ...

Hawk Mountain Sanctuary will host its inaugural Birds and Brew event from 5 to 8 p.m. on Aug. 11 at the Sanctuary Amphitheater in Kempton. Proceeds from the event directly support the Sanctuary’s ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. See Senior Director of TV Programming Meredith Speight’s recommendations from ...

This 2017 photo provided by Graham Montgomery shows a russet-crowned warbler in the Cerro de Pantiacolla mountain in Peru. The high-elevation tropical species lives only near the top of the mountain ...