Animalia > Chordata > Aves > Anseriformes > Anatidae > Aythya > Aythya collaris

Aythya collaris (Ring-necked Duck)

Synonyms: Anas collaris (homotypic); Nyroca collaris
Language: French; Spanish

Wikipedia Abstract

The ring-necked duck (Aythya collaris) is a diving duck from North America commonly found in freshwater ponds and lakes. The scientific name is derived from Greek aithuia an unidentified seabird mentioned by authors including Hesychius and Aristotle, and Latin collaris, "of the neck" from collum, "neck".
View Wikipedia Record: Aythya collaris

EDGE Analysis

Uniqueness Scale: Similiar (0) 
0
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
4
 Unique & Vulnerable (100)
ED Score: 1.8736
EDGE Score: 1.05557
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  1.554 lbs (705 g)
Birth Weight [3]  29 grams
Breeding Habitat [2]  Boreal forests, Freshwater marshes
Wintering Geography [2]  Widespread U.S.
Wintering Habitat [2]  Freshwater lakes and rivers
Diet [4]  Carnivore (Invertebrates), Granivore, Herbivore
Diet - Invertibrates [4]  20 %
Diet - Plants [4]  60 %
Diet - Seeds [4]  20 %
Forages - Water Surface [4]  100 %
Clutch Size [5]  9
Clutches / Year [3]  1
Fledging [1]  52 days
Global Population (2017 est.) [2]  980,000
Incubation [3]  27 days
Mating Display [6]  Ground display
Mating System [6]  Monogamy
Maximum Longevity [3]  20 years
Snout to Vent Length [1]  17 inches (42 cm)
Wing Span [7]  27 inches (.68 m)
Female Maturity [3]  1 year
Male Maturity [3]  1 year

Ecoregions

Protected Areas

+ Click for partial list (100)Full list (195)

Important Bird Areas

Name Location  IBA Criteria   Website   Climate   Land Use 
Catahoula, Dewey Wills, and Three Rivers USA A4i
Cumberland Marshes Canada A4i, A4iii
Long Point Peninsula and Marshes Canada A4i, A4iii

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States No
Caribbean Islands Anguilla, Antigua and Barbuda, Aruba, Bahamas, Barbados, Cayman Islands, Cuba, Dominica, Dominican Republic, Haiti, Grenada, Guadeloupe, Jamaica, Martinique, Montserrat, Netherlands Antilles, Puerto Rico, Saint Kitts and Nevis, Saint Lucia, Saint Vincent And The Grenadines, Trinidad and Tobago, Turks And Caicos Islands, Virgin Islands - British, Virgin Islands - U.S. No
Japan Japan No
Madrean Pine-Oak Woodlands Mexico, United States No
Mesoamerica Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama No

Prey / Diet

Predators

Haliaeetus leucocephalus (Bald Eagle)[8]

Consumers

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Nathan 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
♦ 2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
♦ 3de 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
♦ 4Hamish 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
♦ 5Jetz 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
♦ 6Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
♦ 7del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 8Jorrit 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.
♦ 9Gibson, 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