Big Day Birding in Costa Rica- Strategies and Constraints
10,000 Birds
MAY 28, 2016
We have to figure out when the highest numbers of migrants coincide with resident breeders to increase the probabilities of breaking the previous record, or to at least hit your Big Day birding goal. Looking for terns, White-eyed Gulls , and other seabirds from North Beach, Eilat, Israel during Champions of the Flyway.
100 
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