Signs of Spring Migration in Costa Rica
10,000 Birds
MARCH 27, 2021
During migration, they occur in more places, I bet that golden-hooded bird with a rainforest mixed flock was on its way to Virginia or Alabama or wooded swamp in some other part of its ancient range that used to bear witness to the double knocks of Ivory-billeds. At some sites, flocks of 30, even 60 or more birds are expected.
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