The American Kestrel, North America's smallest and most common falcon, has been steadily declining across the continent since ...

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, ...

American kestrel, rose-breasted grosbeak, red-eyed vireo, dark-eyed junco, wood duck, American woodcock, trumpeter swan and turkey vulture. Dennis Seevers of Sherry shared a trend similar to the ...

Red-winged blackbird, sandhill crane, northern cardinal, yellow warbler, common loon and hummingbird also were on the list of indicators.

In North America’s spring, a bubbly song burbles up from some grassy meadows, the song of the breeding male bobolink. It is a “bubbling, jangling warble with short notes on widely different pitches; ...