Area of Focus: Songbirds

Researchers link rapid range expansion and bill changes in Anna’s hummingbirds to decades of feeder use

Managers in captive breeding programs for endangered songbirds wondered why they seemed to be growing over time

Lesser goldfinches are showing up more in Washington, Idaho and Oregon

White-necked Jacobin hatchlings look and move like poisonous caterpillars, potentially warding off predators

The bird went extinct in the wild in 2002

Warmer winters are causing earlier nesting in the species—and fewer offspring

Climate change may be allowing the ticks and their pathogens to persist

A new study shows which animal species is the “most Canadian” by looking at evolutionary distinctness

Climate change is impacting species like Kirtland’s and black-throated blue warblers

Grant money will help fight the effects of avian malaria on Hawaiian honeycreepers