What Decides Clutch Size?
June 11, 2018 —
Most birds lay a predictable number of eggs, but why?
Podcast
How Thrushes Produce Those Ethereal, Flute-Like Songs
June 04, 2018 —
Mastery of an extra voice box is the secret to their haunting harmonies.
Have You Ever Heard a Sandpiper Sing?
May 29, 2018 —
The name "sandpiper" actually comes from the voices of these birds, which are surprisingly musical. Listen.
Hear that Hammering? Don't Assume It's a Woodpecker
May 21, 2018 —
Chickadees and nuthatches also carve out nest cavities.
Why Is This Bird Half-White?
May 14, 2018 —
Unusual genetic mutations can eliminate color in a bird's feathers—in patches, or even across its entire body.
Hear How a Crow Softly Woos Its Mate
May 07, 2018 —
The complex combination of coos, rattles, and growls is distinctive to each bird's social group.
Listen to the Bubbly Jangling of a Bobolink's Song
April 30, 2018 —
“The happiest bird of our spring.”
Can You Recognize the Call of a Great Horned Owl?
April 30, 2018 —
It's as distinctive as those big ear tufts.
These Adaptations Make the Osprey a Fantastic Fisher
April 23, 2018 —
After tens of millions of years, the bird has changed little since it diverged from eagles and hawks.
The California Condor's Best Shot at Survival
April 16, 2018 —
Swapping to non-lead bullets could help save this bird.
