Anas discors

• Overview
• Interesting Facts
• Common Names
• Description
• Biology
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Overview

Interesting Facts

Common Names

Click on the language to view common names.

Description

Physical Description

Habitat

The Blue-winged Teal uses a variety of lakes , ponds , and marshes throughout the year.

Vegetation: freshwater marshes, freshwater lakes and ponds • Maximum Elevation: 2,600 meters • Sensitivity to Disturbance: Low

Typically found at an altitude of 0 to 2,911 meters (0 to 9,551 feet).[1]

Ecology: List of Habitats :

•     4     Grassland   
  
•     4.4     Grassland - Temperate   
  
•     4.6     Grassland - Subtropical/Tropical Seasonally Wet/Flooded   
  
•     5     Wetlands (inland)   
  
•     5.4     Wetlands (inland) - Bogs , Marshes, Swamps , Fens , Peatlands   
  
•     5.5     Wetlands (inland) - Permanent Freshwater Lakes (over 8ha)   
  
•     5.7     Wetlands (inland) - Permanent Freshwater Marshes/Pools (under 8ha)   
  
•     12     Marine Intertidal   
  
•     12.5     Marine Intertidal - Salt Marshes (Emergent Grasses)   
  
•     13     Marine Coastal/Supratidal   
  
•     13.4     Marine Coastal/Supratidal - Coastal Brackish/Saline Lagoons/Marine Lakes   
  
•     13.5     Marine Coastal/Supratidal - Coastal Freshwater Lakes   
[more info]

Biology

Diet

The main foods of this species include seeds, other plants materials , aquatic insects, and invertebrates . It gathers food by taking food floating on the water's surface or near the surface or by "up-ending," tipping its tail end up while its head and upper body go beneath the surface to take food from aquatic vegetation.

Reproduction

The breeding season begins in early May. Nesting habitat is usually a small body of water , including small ponds , lakes , prairie pot-holes , and marshes. The nest is usually placed on the ground and hidden by vegetation. The female builds the nest of grass and other plant material . She lays 6-15 (usually 8-11) eggs that she incubates for approximately 24 days. The young are precocial and are cared for by the female. They leave the nest shortly after hatching and usually gain independence about 35-44 days after hatching.

• Breeding Habitat: Wetland-open water
• Clutch Size: 6-15
• Length of Incubation : 24(23-27) days
• Days to Fledge : 35-44
• Number of Broods: 1

Migration

Migratory

Taxonomy

Notes

Name Status: Accepted Name .

Last scrutiny: 23-Jan-2007

Similar Species

Northern Shoveler, Green-Winged Teal, Cinnamon Teal

Members of the genus Anas

ZipcodeZoo has pages for 91 species and subspecies in this genus:

A. acuta (American Pintail) · A. acuta acuta (Northern Pintail) · A. acuta drygalskii (Northern Pintail) · A. acuta eatoni (Northern Pintail) · A. americana (American Wigeon / Baldpate) · A. andium (Andean Teal) · A. aucklandica (Campbell Island Flightless Teal) · A. aucklandica aucklandica (New Zealand Brown Teal) · A. aucklandica nesiotis (Campbell Island Flightless Teal) · A. bahamensis (White-Cheeked Pintail) · A. bahamensis bahamensis (White-Cheeked Pintail) · A. bahamensis galapagensis (Galapagos Pintail) · A. bernieri (Madagascar Teal) · A. capensis (African Cape Teal) · A. carolinensis (Green-Winged Teal) · A. castanea (Chestnut-Breasted Teal) · A. chlorotis (Flightless Teal) · A. clypeata (Red-Breasted Shoveler) · A. crecca (Green-Winged Teal) · A. crecca carolinensis (Green-Winged Teal) · A. crecca crecca (Green-Winged Teal) · A. crecca nimia (Aleutian Green-Winged Teal) · A. cyanoptera (South American Teal) · A. cyanoptera cyanoptera (Cinnamon Teal) · A. cyanoptera septentrionalium (Cinnamon Teal) · A. diazi (New Mexican Duck) · A. diazi novimexicana (New Mexican Duck) · A. discors (Blue Winged Teal) · A. discors discors (Blue-Winged Teal) · A. discors orphna (Blue-Winged Teal) · A. drygalskii (Crozet Pintail) · A. eatoni (Kerguelen Pintail) · A. erythrorhyncha (Red-Billed Pintail) · A. falcata (Bronze-Capped Teal) · A. flavirostris (Yellow-Billed Teal) · A. flavirostris flavirostris (Speckled/chilean Teal) · A. formosa (Spectacled Teal) · A. formosa georgi (Spectacled Teal) · A. formosus (Spectacled Teal) · A. fulcigula (Mottled Duck) · A. fulvigula (Summer Black Duck) · A. fulvigula fulvigula (Mottled Duck) · A. fulvigula maculosa (Mottled Duck) · A. georgica (Yellow-Billed Pintail) · A. georgica georgica (Yellow-Billed Pintail) · A. gibberifrons (Sunda Teal) · A. gibberifrons gibberifrons (Sunda Teal) · A. gracilis (Grey Teal) · A. hottentota (Hottentot Teal) · A. laysanensis (Laysan Teal) · A. leucophrys (Ringed Teal) · A. luzonica (Philippine Duck) · A. marecula (Amsterdam Duck) · A. melleri (Meller's Duck) · A. nesiotis (Campbell Island Teal) · A. oustaleti (Anjouan Island Sparrow Hawk) · A. penelope (European Widgeon) · A. platalea (Argentine Shoveller) · A. platyrhynchos (Duck) · A. platyrhynchos conboschas (Mallard) · A. platyrhynchos diazi (Mallard) · A. platyrhynchos platyrhynchos (Mallard) · A. poecilorhyncha (Western Spot-Billed Duck) · A. poecilorhyncha poecilorhyncha (Indian Spot-Billed Duck) · A. puna (Puna Teal) · A. punctata (Pacific Black Duck) · A. querquedula (Garganey Teal) · A. rhynchotis (Australasian Shoveler) · A. rhynchotis rhynchotis (Australasian Shoveler) · A. rubripes (North American Black Duck) · A. sibilatrix (Southern Chiloe Wigeon) · A. smithii (Cape Shoveller) · A. sparsa (African Black Duck) · A. sparsa sparsa (African Black Duck) · A. specularioides (Crested Duck) · A. specularioides specularioides (Crested Duck) · A. specularis (Bronze-Winged Duck) · A. strepera (Common Gadwall) · A. strepera strepera (Gadwall) · A. superciliosa (Black Duck) · A. superciliosa pelewensis (Gray Duck) · A. superciliosa superciliosa (Gray Duck) · A. theodori (Mauritian Duck) · A. undulata (African Yellow-Billed Duck) · A. undulata undulata (African Yellow-Billed Duck) · A. versicolor (Versicolor Teal) · A. versicolor versicolor (Versicolor Teal) · A. waigiuensis (Salvadori's Duck) · A. waigivensis (Salvadori's Duck) · A. wyvilliana (Koloa Piwai) · A. zonorhyncha (Eastern Spot-Billed Duck)

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Further Reading

• A Directory of Neotropical Wetlands. IUCN Conservation Monitoring Centre url p. 139, p. 140, p. 141, p. 145, p. 148, p. 151, p. 152, p. 154, p. 155, p. 156, p. 168, p. 173, p. 178, p. 180, p. 193, p. 217, p. 218, p. 224, p. 246, p. 249, p. 260, p. 283, p. 284, p. 286, p. 287, p. 288, p. 290, p. 293, p. 294, p. 296, p. 297, p. 298, p. 300, p. 312, p. 314, p. 319, p. 321, p. 322, p. 324, p. 326, p. 338, p. 341, p. 356, p. 364, p. 365, p. 374, p. 380, p. 381, p. 383, p. 388, p. 389, p. 390, p. 391, p. 392, p. 393, p. 394, p. 395, p. 396, p. 404, p. 406, p. 407, p. 410, p. 412, p. 414, p. 416, p. 421, p. 423, p. 438, p. 440, p. 449, p. 456, p. 457, p. 459, p. 460, p. 473, p. 475, p. 476, p. 478, p. 479, p. 480, p. 481, p. 482, p. 491, p. 503, p. 504, p. 505, p. 506, p. 510, p. 515, p. 516, p. 517, p. 519, p. 521, p. 530, p. 531, p. 532, p. 538, p. 539, p. 540, p. 541, p. 553, p. 555, p. 562, p. 564, p. 565, p. 571, p. 574, p. 579, p. 589, p. 590, p. 591, p. 592, p. 593, p. 594, p. 595, p. 599, p. 607, p. 615, p. 617, p. 632, p. 675, p. 94.
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• The oist. Albion, N.Y.: Frank H. Lattin, 1886-1941. url p. 45, p. 94.
• The ornithology of Illinois / [by Robert Ridgway and S.A. Forbes]. Springfield, Ill., H.W. Rokker, printer, 1889-1895. url p. 131, p. 27.
• The ornithology of Illinois. Part I. Descriptive catalogue. By Robert Ridgway. Part II. Economic ornithology. By S. A. Forbes. Pub. by the authority of the state Legislature. Springfield, Ill., H. W. Rokker, printer, 1889-95. url p. 131, p. 133, p. 133, p. 25, p. 25, p. 27, p. 27, p. 31, p. 31.
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• vii.

Notes

Contributors

• BirdLife International 2009. Anas discors. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloadedon 30January2012.
• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed March 19, 2012.
• IUCN 2012. IUCN Red List of Threatened Species. Version 2011.2. . Downloaded on January 28, 2012.

Data Sources

Accessed through GBIF Data Portal November 11, 2007:

• Avian Knowledge Network, eBird
• Canadian Biodiversity Information Facility, North West Territories and Nunavut Bird Checklist, Canada
• Canadian Biodiversity Information Facility, Ontario Nest Records
• Canadian Biodiversity Information Facility, Provincial Museum of Alberta, Edmonton, AB, Canada. Birds
• Canadian Biodiversity Information Facility, Royal British Columbia Museum
• Marine Science Institute, UCSB, Paleobiology Database
• Museum of Vertebrate Zoology, Terrestrial vertebrate specimens
• New Brunswick Museum, NBM birds
• Santa Barbara Museum of Natural History, Santa Barbara Musem of Natural History
• Senckenberg, Collection Aves
• UNIBIO, IBUNAM, CNAV/Coleccion Nacional de Aves
• University of Michigan Museum of Zoology
• , Bird specimens

Identifiers

• Biodiversity Heritage Library NamebankID: 11704
• Catalogue of Life Accepted Name Code: ITS-175086
• Global Biodiversity Information Facility Taxonkey: 2497311
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 175086
• IUCN ID: 190914
• Natural Heritage Network Species Identifier: ABNJB10130
• Zipcode Zoo Species Identifier: 222

Footnotes

1. Mean = 28.850 meters (94.652 feet), Standard Deviation = 45.340 based on 133,995 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.