Abstract
BackgroundThe island of Puerto Rico supports a diverse assemblage of breeding birds, including 16 endemic species (Raffaele et al. 1998), and provides critical wintering habitat for many North American migratory birds (Wunderle and Waide 1994). Despite being a hotspot of avian biodiversity, spatially extensive data on the distribution and abundance of birds on the island are scarce. Breeding-bird assemblages were sampled by the North American Breeding Bird Survey from 1997–2007 (Sauer et al. 2013), but comparable primary data are not available for bird assemblages present during the boreal winter.New informationWe provide data from one of the few spatially extensive surveys of forest birds on Puerto Rico. We sampled 211 locations in forests across the island during January–March 2015 using repeated point-count surveys. These data are suitable for use in estimating abundance, occupancy, and distribution of forest birds on Puerto Rico during the winter.
Highlights
Puerto Rico, the easternmost island of the Greater Antilles, is a hotspot of biodiversity (Myers et al 2000)
We provide data from one of the few spatially extensive surveys of forest birds on Puerto Rico
It supports an especially rich avifauna; 354 bird species are known from the island (Mendez-Gallardo and Salgeuro-Faria 2008) including 16 endemic species (Raffaele et al 1998) and, during the boreal winter, many migratory species that arrive from North America (Wunderle and Waide 1994, Wunderle and Waide 1993)
Summary
The island of Puerto Rico supports a diverse assemblage of breeding birds, including 16 endemic species (Raffaele et al 1998), and provides critical wintering habitat for many North American migratory birds (Wunderle and Waide 1994). Despite being a hotspot of avian biodiversity, spatially extensive data on the distribution and abundance of birds on the island are scarce. We provide data from one of the few spatially extensive surveys of forest birds on Puerto Rico. We sampled 211 locations in forests across the island during January–March 2015 using repeated point-count surveys. These data are suitable for use in estimating abundance, occupancy, and distribution of forest birds on Puerto Rico during the winter. Puerto Rico, Bicknell's Thrush, Catharus bicknelli, point counts, birds, Elfin-woods Warbler, Setophaga angelae
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