Our BirdCast project combines weather data, radar, and observations to make predictions about when and where you're likely to find migrants this spring. Check the site each week for tips on what to look for.
Ever been stumped by a streaky brown finch at your feeder? The three red finches—House, Purple, and Cassin's—can cause a lot of confusion, but our in-depth guide will help you sort them out
Find out what's behind this winter's major flight of finches and nuthatches
On the Russian tundra, critically endangered Spoon-billed Sandpipers gather to nest and raise their young in numbers so vulnerably low, each new breeding season could be the species' last.
Falcons and starlings engage in an age-old aerial ballet, rising and diving in spectacular synchrony across the open sky
The vast grassy puszta holds some of Europe's best bird habitat, unspoiled by communism but now threatened by economic crisis
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