North America's smallest falcon, the American Kestrel (Falco sparverius), has declined across the continent since the 1970s, ...

Fledgling kestrels in show unexpectedly high survival. Adults face more danger, especially in winter, with most deaths caused ...

North America’s smallest falcon, the American Kestrel (Falco sparverius), has declined across the continent since the 1970s, ...

From the perfect "smoky eye," to bold red "lipstick," admire — and occasionally chuckle — at these birds' unique coloring.

A female American Kestrel nestling with its recently attached VHF back-pack style transmitter in the Virginia Piedmont study area. Feathers cover all but the antenna.