Beautiful Eastern Bluebird in the Winter Snow Close Up Red White Blue Blurred Background Beak Feathers Blue Song Birds© Joanna Bailey/Shutterstock.com This shift from solitary nesting to shared ...

Esther A. Leung (Biology) University of Texas at Arlington: Caitlin Kight (Biology) College of William and Mary Urbanization affects the life of birds in many ways. One of the influences is the ...

FAMILY: Medium-sized member of thrush family. COLORS: Adults blue on heads, backs and tails; female’s blue is suffused by gray-brown. Rusty breasts and flanks offset by white bellies. VOICE: Musical ...

When it gets too noisy, male eastern bluebirds (Sialia sialis) will alter the loudness and pitch of their songs. Like us, they start shouting, and in real-time too, according to new findings published ...