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What Happened in Costa Rica on Global Big Day, 2017

10,000 Birds

Overhead, we got our first species in the form of a calling Black-bellied Whistling-Duck. The screech-owls failed to call and it was time to move on so we swung by the church at San Joaquin, picking up given Great-tailed Grackle as a few called from a roost. The weather kept cooperating but it was another story for the birds.