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Anas gracilis

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES ANSERIFORMES ANATIDAE

Scientific Name: Anas gracilis
Species Authority: Buller, 1869
Common Name/s:
English – Grey Teal

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Assessor/s: BirdLife International
Reviewer/s: Butchart, S. & Symes, A.
Contributor/s:
Justification:
This species has an extremely 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 is extremely large, and hence does not 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.
History:
2009 – Least Concern
2008 – Least Concern
2004 – Least Concern

Geographic Range [top]

Countries:
Native:
Australia; Indonesia; New Caledonia; New Zealand; Papua New Guinea; Vanuatu
Possibly extinct:
Solomon Islands
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population is estimated to number 1,000,000-1,100,000 individuals.
Population Trend: Decreasing

Habitat and Ecology [top]

Systems: Terrestrial; Freshwater; Marine
Citation: BirdLife International 2012. Anas gracilis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 23 May 2013.
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