The whimbrel (Numenius phaeopus) is a wader in the large family Scolopacidae. It is one of the most widespread of the curlews, breeding across much of subarctic North America, Europe and Asia as far south as Scotland.
This is a migratory species wintering on coasts in Africa, South America, south Asia into Australasia and southern North America. It is also a coastal bird during migration. It is fairly gregarious outside the breeding season.
This is a fairly large wader though mid-sized as a member of the curlew genus. It is 37–47 cm (15–19 in) in length, 75–90 cm (30–35 in) in wingspan, and 270–493 g (9.5–17.4 oz) in weight. It is mainly greyish brown, with a white back and rump (subspecies N. p. phaeopus and N. p. alboaxillaris only), and a long curved bill (longest in the adult female) with a kink rather than a smooth curve. It is generally wary.
The usual call is a rippling whistle, prolonged into a trill for the song.
The only similar common species over most of this bird's range are larger curlews. The whimbrel is smaller, has a shorter, decurved bill and has a central crown stripe and strong supercilia.
There are seven subspecies:
- N. p. islandicus – Brehm, C.L., 1831: found in Iceland and and the British Isles
- N. p. phaeopus – (Linnaeus, 1758): nominate, found from Norway to north central Siberia
- N. p. alboaxillaris – Lowe, 1921: found from western Kazakhstan to southwestern Siberia (rare, endangered)
- N. p. rogachevae – Tomkovich, 2008: found in central Siberia
- N. p. variegatus – (Scopoli, 1786): found in northeastern Siberia
- N. p. rufiventris – Vigors, 1829: found in Alaska and northwestern Canada
- N. p. hudsonicus – Latham, 1790: (Hudsonian curlew) found in Hudson Bay area to northeastern Canada
This species feeds by probing soft mud for small invertebrates and by picking small crabs and similar prey off the surface. Prior to migration, berries become an important part of their diet. It has also been observed taking insects, specifically blue tiger butterflies.
The nest is a bare scrape on tundra or Arctic moorland. Three to five eggs are laid. Adults are very defensive of nesting area and will even attack humans who come too close.
Near the end of the 19th century, hunting on their migration routes took a heavy toll on this bird's numbers; the population has since recovered.
The whimbrel is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
Egg of whimbrel - MHNT
American subspecies in Acapulco
Boesmansriviermond, South Africa
Whimbrel stamp of the Faroe Islands
- BirdLife International (2012). "Numenius phaeopus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- Birds. Collins Pocket Guide. 1998. p. 156.
- "Whimbrel". All About Birds. Cornell Lab of Ornithology.
- Gill, F.; Donsker, D., eds. (2014). "IOC World Bird List (v4.2)". doi:10.14344/IOC.ML.4.2. Retrieved 7 September 2014.
- Woodall, P.F. (1996). "Whimbrel feeding on Blue Tiger butterflies". Sunbird (Queensland Ornithological Society) 26 (2): 46–48. ISSN 1037-258X.
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- Whimbrel Species Account - Cornell Lab of Ornithology
- Whimbrel - Species text in The Atlas of Southern African Birds.
- Whimbrel - Numenius phaeopus - USGS Patuxent Bird Identification InfoCenter
- Whimbrel Migration Studies - The Center for Conservation Biology, College of William and Mary & Virginia Commonwealth University
- Numenius phaeopus in the Flickr: Field Guide Birds of the World
- RSPB Birds by Name: Whimbrel
- Whimbrel videos, photos, and sounds at the Internet Bird Collection
- Whimbrel photo gallery at VIREO (Drexel University)