Animalia > Chordata > Aves > Anseriformes > Anatidae > Anas > Anas discors

Anas discors (Blue-winged Teal)

Synonyms: Anas discors discors; Anas discors orphna; Querquedula discors (homotypic); Spatula discors (homotypic)
Language: French; Spanish

Wikipedia Abstract

The blue-winged teal (Anas discors) is a small dabbling duck from North America. The scientific name is derived from Latin Anas "duck", and discors, "variance", which may refer to the striking face pattern of the male.
View Wikipedia Record: Anas discors

EDGE Analysis

Uniqueness Scale: Similiar (0) 
0
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
4
 Unique & Vulnerable (100)
ED Score: 1.74344
EDGE Score: 1.00921

Attributes

Clutch Size [7]  9
Clutches / Year [4]  1
Fledging [2]  41 days
Global Population (2017 est.) [3]  6,000,000
Incubation [4]  24 days
Mating Display [8]  Ground and non-acrobatic aerial display
Mating System [8]  Monogamy
Maximum Longevity [4]  23 years
Migration [1]  Intercontinental
Snout to Vent Length [2]  15 inches (38 cm)
Water Biome [1]  Lakes and Ponds, Temporary Pools
Wing Span [9]  24 inches (.62 m)
Adult Weight [2]  398 grams
Birth Weight [4]  18 grams
Female Weight [6]  340 grams
Male Weight [6]  380 grams
Weight Dimorphism [6]  11.8 %
Breeding Habitat [3]  Prairie wetlands, Freshwater marshes
Wintering Geography [3]  Widespread
Wintering Habitat [3]  Coastal saltmarshes, Freshwater marshes
Diet [5]  Carnivore (Invertebrates), Granivore, Herbivore
Diet - Invertibrates [5]  10 %
Diet - Plants [5]  60 %
Diet - Seeds [5]  30 %
Forages - Water Surface [5]  100 %
Female Maturity [4]  8 months
Male Maturity [4]  8 months

Ecoregions

Protected Areas

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Ecosystems

Important Bird Areas

Biodiversity Hotspots

Prey / Diet

Prey / Diet Overlap

Predators

Crocodylus acutus (American crocodile)[13]
Haliaeetus leucocephalus (Bald Eagle)[11]
Mustela frenata (Long-tailed Weasel)[14]
Poliocitellus franklinii (Franklin's ground squirrel)[15]

Consumers

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
2Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
3Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
4de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
5Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
6Rohwer FC, Johnson WP, Loos ER (2002) Blue-winged teal (Anas discors). In: Poole A, Gill F (eds) The Birds of North America, No. 625. The Birds of North America, Inc, Philadelphia, PA
7Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
8Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
9del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
10Cirtwill, Alyssa R.; Eklöf, Anna (2018), Data from: Feeding environment and other traits shape species' roles in marine food webs, Dataset, https://doi.org/10.5061/dryad.1mv20r6
11Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
12SPECIES ASSESSMENT FOR THE NORTHERN LEOPARD FROG (RANA PIPIENS) IN WYOMING, BRIAN E. SMITH AND DOUG KEINATH, United States Department of the Interior, Bureau of Land Management, January 2004
13FEEDING HABITS OF THE AMERICAN CROCODILE, CROCODYLUS ACUTUS (CUVIER, 1807) (REPTILIA: CROCODYLIDAE) IN THE SOUTHERN COAST OF QUINTANA ROO, MEXICO, Alejandro VILLEGAS1 y Juan Jacobo SCHMITTER-SOTO, Acta Zoológica Mexicana (n.s.) 24(3): 117-124 (2008)
14Mustela frenata, Steven R. Sheffield and Howard H. Thomas, MAMMALIAN SPECIES No. 570, pp. 1-9 (1997)
15Spermophilus franklinii, Andrea C. Ostroff and Elmer J. Finck, MAMMALIAN SPECIES No. 724, pp. 1–5 (2003)
16Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0