Typically bold, buffy eye ring and supraloral patch of most Swainson’s thrushes distinctive. Adult: in “olive-backed” group, upperparts olive-brown with slightly more reddish uppertail coverts.

Swainson's thrush wearing a geolocator. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of ...

After slinking off for a few minutes, he proudly returned, clutching a ball of feathers: a one-ounce, beautifully shade-dappled Swainson’s thrush that had just flown several thousand miles from ...

In North America alone, species such as the Ruby-throated Hummingbird, American Goldfinch, and Swainson's Thrush undertake ...