Animalia > Chordata > Aves > Charadriiformes > Scolopacidae > Calidris > Calidris canutus

Calidris canutus (Red Knot)

Synonyms: Tringa canutus (homotypic)
Language: French; Spanish

Wikipedia Abstract

The red knot (Calidris canutus) (just knot in English-speaking Europe) is a medium-sized shorebird which breeds in tundra and the Arctic Cordillera in the far north of Canada, Europe, and Russia. It is a large member of the Calidris sandpipers, second only to the great knot. Six subspecies are recognised.
View Wikipedia Record: Calidris canutus

Infraspecies

Calidris canutus canutus (Red knot)
Calidris canutus islandica
Calidris canutus piersmai
Calidris canutus rogersi
Calidris canutus roselaari (red knot)
Calidris canutus rufa (Red Knot)

EDGE Analysis

Uniqueness Scale: Similiar (0) 
6
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
29
 Unique & Vulnerable (100)
ED Score: 13.4048
EDGE Score: 2.66756
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  137 grams
Birth Weight [3]  19.3 grams
Female Weight [5]  148 grams
Male Weight [5]  126 grams
Weight Dimorphism [5]  17.5 %
Breeding Habitat [2]  Arctic tundra
Wintering Geography [2]  Widespread Coastal
Wintering Habitat [2]  Beaches and estuaries
Diet [4]  Carnivore (Invertebrates), Piscivore, Granivore
Diet - Fish [4]  10 %
Diet - Invertibrates [4]  80 %
Diet - Seeds [4]  10 %
Forages - Ground [4]  100 %
Clutch Size [7]  4
Clutches / Year [6]  1
Fledging [5]  18 days
Global Population (2017 est.) [2]  1,000,000
Incubation [6]  22 days
Mating Display [3]  Ground display
Mating System [3]  Monogamy
Maximum Longevity [6]  25 years
Migration [8]  Intercontinental
Speed [9]  44.962 MPH (20.1 m/s)
Wing Span [9]  20 inches (.5 m)
Female Maturity [6]  3 years
Male Maturity [6]  3 years

Ecoregions

Protected Areas

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Ecosystems

Important Bird Areas

Biodiversity Hotspots

Prey / Diet

Prey / Diet Overlap

Providers

Consumers

Range Map

External References

NatureServe Explorer

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.
♦ 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
♦ 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
♦ 8Myers, 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
♦ 9Alerstam T, Rosén M, Bäckman J, Ericson PGP, Hellgren O (2007) Flight Speeds among Bird Species: Allometric and Phylogenetic Effects. PLoS Biol 5(8): e197. doi:10.1371/journal.pbio.0050197
♦ 10Energy flow of a boreal intertidal ecosystem, the Sylt-Rømø Bight, Dan Baird, Harald Asmus, Ragnhild Asmus, Mar Ecol Prog Ser 279: 45–61, 2004
♦ 11Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979
♦ 12Jorrit 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.
♦ 13The Diet of the Knot (Calidris canutus) on Rocky Shores of Eastern Scotland in Winter, Ronald W. Summers & Shelagh M. Smith, Ardea 71 (1983): 151-153
♦ 14Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
♦ 15Species Interactions of Australia Database, Atlas of Living Australia, Version ala-csv-2012-11-19
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