Animalia > Chordata > Aves > Galliformes > Phasianidae > Lagopus > Lagopus lagopus

Lagopus lagopus (Willow Ptarmigan; Willow Grouse)

Synonyms: Lagopus medius; Tetrao lagopus (homotypic)
Language: French

Infraspecies

EDGE Analysis

Uniqueness Scale: Similiar (0) 
2
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
17
 Unique & Vulnerable (100)
ED Score: 5.42221
EDGE Score: 1.85976

Attributes

Adult Weight [1]  1.393 lbs (632 g)
Birth Weight [3]  15 grams
Female Weight [6]  1.279 lbs (580 g)
Male Weight [6]  1.587 lbs (720 g)
Weight Dimorphism [6]  24.1 %
Breeding Habitat [2]  Arctic tundra
Wintering Geography [2]  Non-migrartory
Wintering Habitat [2]  Arctic tundra
Diet [4]  Frugivore, Herbivore
Diet - Fruit [4]  10 %
Diet - Plants [4]  90 %
Forages - Ground [4]  100 %
Clutch Size [7]  9
Clutches / Year [3]  1
Fledging [5]  12 days
Global Population (2017 est.) [2]  35,000,000
Incubation [3]  21 days
Mating Display [8]  Ground and non-acrobatic aerial display
Mating System [8]  Monogamy
Maximum Longevity [3]  9 years
Snout to Vent Length [5]  16 inches (40 cm)
Wing Span [9]  24 inches (.6 m)
Female Maturity [3]  1 year
Male Maturity [3]  1 year

Ecoregions

Protected Areas

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Ecosystems

Emblem of

Alaska

Prey / Diet

Prey / Diet Overlap

Predators

Consumers

Range Map

External References

NatureServe Explorer

Audio

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Provided by eNature via Myxer Author: Lang Elliot

Citations

Attributes / relations provided by
1Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset, https://doi.org/10.5061/dryad.n6k3n
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
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
6del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
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
9British Trust for Ornithology
10Making The Forest And Tundra Wildlife Connection
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.
12Golden Eagles on the Swedish mountain tundra – diet and breeding success in relation to prey fluctuations, Jesper Nyström, Johan Ekenstedt, Anders Angerbjörn, Linda Thulin, Peter Hellström & Love Dalén, Ornis Fennica 83:145–152. 2006
13POTAPOV, E. 2011. Gyrfalcon diet: Spatial and temporal variation In R. T. Watson, T. J. Cade, M. Fuller, G. Hunt, and E. Potapov (Eds.). Gyrfalcons and Ptarmigan in a Changing World. The Peregrine Fund, Boise, Idaho, USA
14Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
15International Flea Database
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Audio software provided by SoundManager 2
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