Animalia > Chordata > Aves > Anseriformes > Anatidae > Bucephala > Bucephala islandica

Bucephala islandica (Barrow's Goldeneye)

Synonyms: Anas islandica (homotypic); Glaucionetta islandica
Language: French

Wikipedia Abstract

Barrow's goldeneye (Bucephala islandica) is a medium-sized sea duck of the genus Bucephala, the goldeneyes. This bird was named after Sir John Barrow. The genus name is derived from Ancient Greek boukephalos, "bullheaded", from bous, "bull " and kephale, "head", a reference to the bulbous head shape of the bufflehead. The species name islandica means Iceland. In Icelandic the bird is known as húsönd (house-duck); it is a common species of the Lake Mývatn in the north of the country. Average Weight: Male 2.13 lbs., Female 1.31 lbs.Average Length: Male 19.2", Female 17"
View Wikipedia Record: Bucephala islandica

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 4.03014
EDGE Score: 1.61545


Adult Weight [1]  2.282 lbs (1.035 kg)
Birth Weight [3]  70 grams
Female Weight [7]  1.656 lbs (751 g)
Male Weight [7]  2.491 lbs (1.13 kg)
Weight Dimorphism [7]  50.5 %
Breeding Habitat [2]  Boreal forests, Temperate western forests
Wintering Geography [2]  Northern U.S./Canada
Wintering Habitat [2]  Coastal marine, Freshwater lakes and rivers
Diet [4]  Carnivore (Invertebrates), Granivore, Herbivore
Diet - Invertibrates [4]  80 %
Diet - Plants [4]  10 %
Diet - Seeds [4]  10 %
Forages - Water Surface [4]  20 %
Forages - Underwater [4]  80 %
Clutch Size [8]  9
Clutches / Year [6]  1
Fledging [5]  56 days
Global Population (2017 est.) [2]  150,000
Incubation [6]  29 days
Maximum Longevity [6]  18 years
Snout to Vent Length [5]  19 inches (48 cm)
Wing Span [9]  30 inches (.75 m)
Female Maturity [6]  2 years
Male Maturity [6]  2 years


Protected Areas

Important Bird Areas

Prey / Diet

Prey / Diet Overlap


Range Map

External References

NatureServe Explorer


Attributes / relations provided by
1Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset,
2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
3Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
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
5Nathan 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
6de 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
7Eadie, J. M, J.-PL Savard, and ML Mallory. 2000. Barrow's Goldeneye (Bucephala islandica). In The Birds of North America, no. 548 (A. Poole and F. Gill, Eds.). The Birds of North America, Inc., Philadelphia
8Jetz 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
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.
10Winter food habits of Barrow's Goldeneyes in southeast Alaska, Philip S. Koehl, Thomas C. Rothe, and Dirk V. Derkson, Canadian Wildlife Service, 1984
11Gibson, 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
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset accessed via on 2023-06-13; License: CC BY 4.0