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What Happened in Costa Rica on Global Big Day, 2017

10,000 Birds

Next on the agenda was the drive up and over the mountains with time to check for Bare-shanked Screech-Owl and Dusky Nightjar. As we approached our lowland nocturnal site, calling House Sparrows , Social Flycatcher , and a few other common species reminded us of the approaching dawn. Our Rufescent Tiger-Heron.