Great Egrets and the reliability of field marks
10,000 Birds
JULY 26, 2015
Germany is currently experiencing its hottest June and July ever, and temperatures in the last few weeks have rarely been below 33°C (91°F), sometimes reaching nearly 40°C (103°F). alba : yellow in non-breeding season (usually less bright than egretta ), entirely black in breeding season. It’s bad.
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