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Overview
Distribution
National Distribution
Canada
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Breeding
United States
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Breeding
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Global Range: (>2,500,000 square km (greater than 1,000,000 square miles)) BREEDING: locally in south-coastal Alaska, probably western Alaska, Mackenzie, northwestern British Columbia, around Hudson Bay. NON-BREEDING: in South America on the coast of Chile and from Paraguay, southern Brazil, and Uruguay south to Tierra del Fuego and Falkland Islands (AOU 1983). The most important areas are in Tierra del Fuego: Bahia San Sebastian, Argentina, on Atlantic coast of Tierra del Fuego; Bahia Lomas, at eastern mouth of Strait of Magellan; and Chiloe area of Pacific coast of Chile (Morrison and Ross 1989). MIGRATION: in spring, in North America from Texas and Louisiana north to Alberta, Saskatchewan, and the west side of Hudson Bay; rarely on Pacific Coast of Guatemala and Costa Rica. In fall, southeastward from James Bay to Maritimes and New England, then over water to wintering grounds (AOU 1983).
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Physical Description
Size
Ecology
Habitat
Habitat and Ecology
- Terrestrial
- Freshwater
- Marine
© International Union for Conservation of Nature and Natural Resources
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IUCN
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Water temperature and chemistry ranges based on 1 sample.
Environmental ranges
Depth range (m): 0 - 0
Temperature range (°C): 18.517 - 18.517
Nitrate (umol/L): 1.458 - 1.458
Salinity (PPS): 35.046 - 35.046
Oxygen (ml/l): 5.490 - 5.490
Phosphate (umol/l): 0.224 - 0.224
Silicate (umol/l): 1.721 - 1.721
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Comments: BREEDING: Nests on grassy tundra, near water. Bogs and marshes. Near coast or river. Nests on the ground in a sparsely lined depression, in or under edge of prostrate dwarf birch or on dry top of hummock in sedge marsh. NON-BREEDING: marshes, beaches, flooded fields, and tidal mudflats (AOU 1983); lake and pond shores, inlets.
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Migration
Non-Migrant: No. All populations of this species make significant seasonal migrations.
Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).
Locally Migrant: Yes. At least some populations of this species make annual migrations of over 200 km.
Northward migration mainly through Texas and Louisiana and interior North America; usually reaches Texas in April; arrives in Beaufort Sea area late May-early June. Gathers in large flocks on western shores of Hudson and James bays prior to southward migration (to Maritime Provinces and New England, then southward by sea to southern South America, possibly with a stop somewhere in northern South America). Nonbreeders at Tierra del Fuego apparently derive from breeding grounds in central Canadian Arctic (Morrison and Ross 1989). Begins migration from northwestern Canada early to mid-August.
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Trophic Strategy
Comments: Feeds on marine worms, mollusks, and crustaceans. Probes deeply into mud. During the nesting season eats many insects (e.g., flies, mosquitoes).
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Population Biology
Global Abundance
10,000 - 100,000 individuals
Comments: Morrison et al. (2001) estimated the total population at 50,000 individuals.
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General Ecology
Life History and Behavior
Reproduction
Breeding begins mid-May in west to early June in east (Harrison 1978). Usually 4 eggs are incubated for 22-23 days; eggs incubated by female during day, by male at night. Young precocial, tended by both parents until just before fledging (early August on Mackenzie Delta).
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Molecular Biology and Genetics
Molecular Biology
Barcode data: Limosa haemastica
There are 2 barcode sequences available from BOLD and GenBank. Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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Download FASTA File
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Statistics of barcoding coverage: Limosa haemastica
Public Records: 2
Species: 10
Species With Barcodes: 1
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Conservation
Conservation Status
IUCN Red List Assessment
Red List Category
Red List Criteria
Version
Year Assessed
Assessor/s
Reviewer/s
Contributor/s
Justification
History
- 2008Least Concern
- 2004Least Concern
- 1988Near Threatened
© International Union for Conservation of Nature and Natural Resources
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IUCN
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National NatureServe Conservation Status
Canada
Rounded National Status Rank: N4B - Apparently Secure
United States
Rounded National Status Rank: N3B - Vulnerable
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NatureServe Conservation Status
Rounded Global Status Rank: G4 - Apparently Secure
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Wikipedia
Hudsonian Godwit
The Hudsonian Godwit, Limosa haemastica, is a large shorebird.
Contents |
Identification
Adults have long dark legs and a long pink bill with a slight upward curve and dark at the tip. The upper parts are mottled brown and the underparts are chestnut. The tail is black and the rump is white. They show black wing linings in flight.
Breeding
Their breeding habitat is the far north near the tree line in northwestern Canada and Alaska, also on the shores of Hudson Bay. They nest on the ground, in a well-concealed location in a marshy area. The female usually lays four eggs. Both parents look after the young birds, who find their own food and are able to fly within a month of hatching.
Migration
They migrate to South America. These birds gather at James Bay before fall migration. In good weather, many birds make the trip south without stopping. They are a vagrant to Australia.
They can perhaps be most easily seen in migration on the east coast of North America where they can be plentiful in migration in Late July through early August.
Diet
These birds forage by probing in shallow water. They mainly eat insects and crustaceans.
Conservation history
Their numbers were reduced by hunting at the end of the 19th century.
References
- BirdLife International (2004). Limosa haemastica. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 11 May 2006. Database entry includes justification for why this species is of least concern
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Wikipedia
Unreviewed
