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Title: Adaptations of an avian supertramp: distribution, ecology, and life history of the pearly-eyed thrasher (Margarops fuscatus).

Author: Arendt, Wayne J.;

Date: 2006

Source: U.S. Department of Agriculture, Forest Service, International Institute of Tropical Forestry,Gen. Tech. Rep. 27.

Publication Series: General Technical Report (GTR)

Description: Part A The pearly-eyed thrasher is a major nest predator and competitor for nest sites of the endangered Puerto Rican Parrot. In all aspects of its distribution and ecology, Margarops fuscatus is a classic example of an avian “supertramp.” It is a pugnacious, highly vagile species, i.e., a good disperser, with a propensity to fill vacant or underexploited niches at all elevations by adopting generalized nesting and foraging strategies, as well as a varied diet. Having evolved superior colonizing traits at the expense of strong competitive characters, it is confined to about 80 generally small, often disturbed, species-poor islands and habitats throughout the Caribbean. The pearly-eye’s future depends on its ability to adapt to the everchanging conditions in the region’s natural and anthropogenic environments.

Keywords: Amazona vittata, life history, Margarops fuscatus, pearly-eyed thrasher, Puerto Rican parrot, supertramp.

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Arendt, Wayne J. 2006. Adaptations of an avian supertramp: distribution, ecology, and life history of the pearly-eyed thrasher (Margarops fuscatus). U.S. Department of Agriculture, Forest Service, International Institute of Tropical Forestry,Gen. Tech. Rep. 27.

 


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