What Happened in Costa Rica on Global Big Day, 2017
10,000 Birds
MAY 27, 2017
As we approached our lowland nocturnal site, calling House Sparrows , Social Flycatcher , and a few other common species reminded us of the approaching dawn. Although it was partially hidden by the mist over the marsh, we could still see enough to count Rufescent Tiger-Heron. Our Rufescent Tiger-Heron. Pre-dawn in the Lowlands.
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