Population Survey of the Common Buzzard Buteo buteo on Madeira Island (Portugal)

Dorine Yvette Manon Jansen

doi:10.13157/arla.59.1.2012.145

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Dorine Yvette Manon Jansen^1,2,*

¹1Manchester Metropolitan University, Division of Biology, John Dalton Building, Chester Street, Manc
²2Present address: University of Cape Town, Avian Demography Unit, Department of Zoology, University

^*Corresponding author: dymjansen@hotmail.com

Abstract

A survey was conducted on Madeira Island (Portugal) from 9 May to 2 June 2008 to determine population size and distribution of the common buzzard Buteo buteo. Distance sampling on foot was carried out along 87.6 km of transects. The species was present in small numbers in all areas sampled. Population size was estimated at 409 (95% CI 275–608) individuals at a density of 0.55 buzzards/km² (95% CI 0.37–0.83), based on 39 observations. The present survey sets a baseline for future studies monitoring changes in the common buzzard population on Madeira.

Citation Download Citation

Dorine Yvette Manon Jansen "Population Survey of the Common Buzzard Buteo buteo on Madeira Island (Portugal)," Ardeola 59(1), 145-155, (1 June 2012). https://doi.org/10.13157/arla.59.1.2012.145

Received: 13 June 2011; Accepted: 1 March 2012; Published: 1 June 2012

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