A key for distinguishing between adult and yearling female Merlins (Falco columbarius) based on the color of rump plumage was proposed by Temple (1972). Examination of this characteristic in 34 ...
PETBOOK magazine on MSN
Falcon Species in Germany and How to Identify Them
They hunt at high speeds, live partly in cities–and technically, they are not birds of prey. Various species of falcons are ...
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