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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. Next on the agenda was the drive up and over the mountains with time to check for Bare-shanked Screech-Owl and Dusky Nightjar. Although it was partially hidden by the mist over the marsh, we could still see enough to count Rufescent Tiger-Heron.