Area of Focus: Birds

Species increase in abundance three years after spraying the chemicals

Climate change may create more difficulties for struggling populations

But fragmentation has reduced genetic variation in some areas

Biologists suspect drought contributed to the growth of bacteria that thrive in salty waters

The American Ornithological Society is renaming some 80 species

The chemicals can affect their ability to reproduce

Urban males defend their territories and take care of their chicks

With no shade, the birds can’t keep cool

The USFWS plans to release vaccinated birds into the wild

Volunteers collected at least 961 birds