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47. Eskimo Curlew

Numenius borealis

About

The Eskimo Curlew was once very abundant and numbered in the hundreds of thousands.

Overhunting and habitat loss have been main reasons for the species decline and have left the species as presumed extinct. Habitat degradation and extinction of important prey species, like the Rocky Mountain locust put further pressure on an already decimated population. The low reproductive rate of the species has hampered the recovery of species numbers. The Eskimo Curlew breeds in Canada, but it winters in South America. And they are one of eight species of curlew; members of the Numenius genus. Unfortunately, there has been no evidence of Eskimo Curlew nests for almost 140 years and an individual has not been officially recorded since 1963.

  • Order: Charadriiformes
  • Family: Scolopacidae
  • Population: <50
  • Trend: unknown
  • Size: 32-37 cm
  • Weight: 270-454g

EDGE Score

EDGE Score: 5.23 (?)
ED Score: 10.68 (?)
GE / IUCN Red List (?)
Not Evaluated Data Deficient Least Concern Near Threatened Vulnerable Endangered Critically Endangered Extinct in the Wild Extinct

Distribution

Their breeding grounds are in Canada, but the species migrates south across the Caribbean to Argentina.

Habitat and Ecology

Their breeding sites are usually found in areas of upland tundra and grassy meadows. Along the autumn migratory route the birds stop in a variety of habitats, but preferentially in areas of crowberry, a core component of their diet, along with blueberries, flies, fly larvae, grasshoppers and beetles. During the spring migration the species rests in mixed-grass prairies, tall grasslands and cultivated areas near water. The Eskimo Curlew winters in the pampas of Argentina, preferring the grasslands with seasonal or permanent wetlands.

Find out more

This wordcloud illustrates the threats facing this species. The size of each word indicates the extent of a species range that is affected by that threat (larger size means a greater area is affected). The colour of the word indicates how much that threat impacts the species (darker shades of red mean the threat is more severe).

Habitat change Crops Livestock Mining Hunting

Threat wordcloud key:

Small area affected
a
a
a
a
a
a
a
Large area affected
Least severe
Most severe
Severity unknown
Source: The IUCN List of Threatened Species. Version 2017.1.
Available at: http://www.iucnredlist.org