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1 September 2016 Density of Pectoral Antwrens (Herpsilochmus pectoralis) (Family: Thamnophilidae) in northeastern Brazil
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Abstract

We estimated the population density of Pectoral Antwrens (Herpsilochmus pectoralis) at the EMPARN (Rio Grande do Norte State Agriculture Research Company) Experimental Station, Brazil. During data collection, four transects ranging between 550 and 720 m were surveyed twice a week from February to August 2013. A total of 59.7 km were surveyed, where 77 sightings were made. We observed 1.3 individuals/km, and we estimated density to be 85 individuals/km2. The density obtained for Pectoral Antwrens is compatible with that observed for the species in other studies and comparable to that found for other Thamnophilidae. The data generated in this study serve for future estimates of species conservation status.

Fernanda Moniz Sodré Lopes Teixeira, Jéssica Luiza Cruz Miranda, Bruno Rodrigo De Albuquerque França, and Marcelo Da Silva "Density of Pectoral Antwrens (Herpsilochmus pectoralis) (Family: Thamnophilidae) in northeastern Brazil," The Wilson Journal of Ornithology 128(3), 567-572, (1 September 2016). https://doi.org/10.1676/1559-4491-128.3.567
Received: 31 March 2015; Accepted: 1 November 2015; Published: 1 September 2016
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