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2014 Arenal Bird Count

10,000 Birds

Sure, torrential precipitation rendered our 4:30am attempts at owls futile, but every time rain gave way to mist, birds flew from cover with gusto. Some of them, like a rare-to-Costa Rica Nashville Warbler , failed to appear again, but we ticked off a ton of other Neotropical migrants including my life Mourning Warbler !

2014 217
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Collaborative List – October 2018

10,000 Birds

Pacific Screech-Owl – Megascops cooperi. Stygian Owl – Asio stygius. Bare-shanked Screech-Owl – Megascops clarkii. Eurasian Scops-Owl – Otus scops. Verreaux’s Eagle-Owl – Bubo lacteus. Little Owl – Athene noctua. Green-and-rufous Kingfisher – Chloroceryle inda.

2018 113
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Collaborative list – December 2018

10,000 Birds

Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Barn Owl – Tyto alba.

2018 113
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Collaborative List – April 2018

10,000 Birds

Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Barn Owl – Tyto alba.

2018 100
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Collaborative list – September 2018

10,000 Birds

Stygian Owl – Asio stygius. Bare-shanked Screech-Owl – Megascops clarkii. Eurasian Scops-Owl – Otus scops. Verreaux’s Eagle-Owl – Bubo lacteus. Little Owl – Athene noctua. Tropical Screech-Owl – Megascops choliba. Alphabetic Taxonomic. Parque do Ibirapuera.

2018 113
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Collaborative List – May 2018

10,000 Birds

Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Barn Owl – Tyto alba.

2018 100
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Collaborative List – November 2018

10,000 Birds

Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Barn Owl – Tyto alba.

2018 113