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Leucopternis semiplumbeus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES FALCONIFORMES ACCIPITRIDAE

Scientific Name: Leucopternis semiplumbeus
Species Authority: Lawrence, 1861
Common Name/s:
English Semiplumbeous Hawk
Spanish Busardo Semiplomizo, Gavilán Semiplomizo
Synonym/s:
Leucopternis semiplumbea Stotz et al. (1996)
Leucopternis semiplumbea Sibley and Monroe (1990, 1993)
Leucopternis semiplumbea Collar et al. (1994)
Leucopternis semiplumbea BirdLife International (2004)
Taxonomic Notes: Gender agreement of species name follows David and Gosselin (2002b).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2012-05-01
Assessor/s: BirdLife International
Reviewer/s: Butchart, S. & Symes, A.
Facilitator/s: Ekstrom, J., Butchart, S., Harding, M.
Justification:
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size may be small, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.

Geographic Range [top]

Countries:
Native:
Colombia; Costa Rica; Ecuador; Honduras; Panama
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population is estimated to number 1,000-10,000 individuals, roughly equivalent to 670-6,700 mature individuals.
Population Trend: Decreasing

Habitat and Ecology [top]

Systems: Terrestrial
Citation: BirdLife International 2012. Leucopternis semiplumbeus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 20 April 2014.
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