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 ...
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