Animalia > Chordata > Aves > Gaviiformes > Gaviidae > Gavia > Gavia immer
 

Gavia immer (Great Northern Loon; Common Loon)

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Wikipedia Abstract

The common loon (Gavia immer) is a large member of the loon, or diver, family of birds. The species is known as the great northern diver in Eurasia; another former name, great northern loon, was a compromise proposed by the International Ornithological Committee.
View Wikipedia Record: Gavia immer

EDGE Analysis

Uniqueness Scale: Similiar (0) 
10
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
36
 Unique & Vulnerable (100)
ED Score: 20.9427
EDGE Score: 3.08843

Attributes

Clutch Size [6]  2
Clutches / Year [4]  1
Global Population (2017 est.) [3]  520,000
Incubation [4]  28 days
Maximum Longevity [4]  20 years
Migration [1]  Intercontinental
Water Biome [1]  Lakes and Ponds, Rivers and Streams, Coastal, Brackish Water
Wing Span [7]  4.494 feet (1.37 m)
Adult Weight [2]  10.979 lbs (4.98 kg)
Birth Weight [4]  94 grams
Female Weight [2]  9.921 lbs (4.50 kg)
Male Weight [2]  12.037 lbs (5.46 kg)
Weight Dimorphism [2]  21.3 %
Breeding Habitat [3]  Boreal forests, Temperate western forests
Wintering Geography [3]  Widespread U.S.
Wintering Habitat [3]  Coastal marine, Freshwater lakes and rivers
Diet [5]  Carnivore (Invertebrates), Piscivore, Herbivore
Diet - Fish [5]  70 %
Diet - Invertibrates [5]  10 %
Diet - Plants [5]  20 %
Forages - Water Surface [5]  100 %
Female Maturity [4]  4 years
Male Maturity [4]  4 years

Ecoregions

Protected Areas

+ Click for partial list (100)Full list (267)

Ecosystems

Important Bird Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Mediterranean Basin Algeria, Egypt, France, Greece, Israel, Jordan, Lebanon, Libya, Portugal, Spain, Syria, Tunisia, Turkey No

Emblem of

Minnesota
Ontario

Prey / Diet

Gadus morhua (rock cod)[8]
Melanogrammus aeglefinus (Smokie)[8]
Oncorhynchus clarkii (Cutthroat trout)[9]
Pachygrapsus crassipes (striped shore crab)[10]

Prey / Diet Overlap

Consumers

Range Map

Distribution

North America; Western Michigan University’s Asylum Lake;

External References

Audio

Play / PauseVolume
Provided by eNature via Myxer Author: Lang Elliot

Photos

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
2McIntyre, JW and JF Barr. 1997. Common Loon (Gavia immer). In A. Poole and F. Gill [eds.], The birds of North America, No. 313. The Academy of Natural Sciences, Philadelphia and American Ornithologists' Union, Washington, DC
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
6Jetz 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
7British Trust for Ornithology
8del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
9National Geographic Magazine - May 2016 - Yellowstone - The Carnivore Comeback
10Jorrit 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.
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 WWF WildFINDER
Protected Areas provided by Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
Natura 2000, UK data: © Crown copyright and database right [2010] All rights reserved. Ordnance Survey Licence number 100017955
GBIF Global Biodiversity Information Facility
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Images provided by Wikimedia Commons licensed under a Creative Commons License
Abstract provided by DBpedia licensed under a Creative Commons License
Audio software provided by SoundManager 2