LC
Wilson's Snipe Gallinago delicata



Taxonomy

Taxonomic note
Gallinago gallinago and G. delicata (del Hoyo and Collar 2014) were previously lumped as G. gallinago following Sibley and Monroe (1990, 1993).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2020 Least Concern
2016 Least Concern
2014 Least Concern
2012 Not Recognised
2008 Not Recognised
2005 Not Recognised
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Not Recognised
1988 Not Recognised
Species attributes

Migratory status full migrant Forest dependency low
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 21,000,000 km2
Extent of Occurrence (non-breeding) 21,700,000 km2
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 2000000 mature individuals medium estimated 2016
Population trend increasing - estimated -
Generation length 2.8 years - - -

Population justification: The population is estimated to number 2,000,000 mature individuals (Partners in Flight 2019). In the lower Mississippi Alluvial Valley in Arkansas, Mississippi and Louisiana (U.S.A.), non-breeding densities of c. 8 individuals/km2 (95% CI: 4.57-14.17) were estimated in 2009 and c. 2 individuals/km2 (95% CI: 1.47-3.08) in 2010 (Carroll and Krementz 2014). Based on these densities, the population in this area was estimated at c. 1,026,000 individuals in 2009 and at 272,000 in 2010 (Carroll and Krementz 2014).

Trend justification: The population was found to be stable over 1966-2017 (Pardieck et al. 2018, Partners in Flight 2019). Short-term trends suggest a slow but significant increase over the past ten years (Pardieck et al. 2018).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Anguilla (to UK) extant native yes
Antigua and Barbuda extant native yes
Aruba (to Netherlands) extant native yes
Barbados extant native yes
Belize extant native yes
Bermuda (to UK) extant native yes
Bonaire, Sint Eustatius and Saba (to Netherlands) extant native yes
Canada extant native yes yes
Cayman Islands (to UK) extant native yes
Colombia extant native yes
Costa Rica extant native yes
CuraƧao (to Netherlands) extant native yes
Dominica extant native yes
Dominican Republic extant native yes
Ecuador extant vagrant
El Salvador extant native yes
Greenland (to Denmark) extant vagrant
Grenada extant native yes
Guadeloupe (to France) extant native yes
Guatemala extant native yes
Guyana extant native yes
Haiti extant native yes
Honduras extant native yes
Jamaica extant native yes
Martinique (to France) extant native yes
Mexico extant native yes
Montserrat (to UK) extant native yes
Nicaragua extant native yes
Panama extant native yes
Puerto Rico (to USA) extant native yes
Sint Maarten (to Netherlands) extant native yes
St Kitts and Nevis extant native yes
St Lucia extant native yes
St Pierre and Miquelon (to France) extant native yes
St Vincent and the Grenadines extant native yes
Suriname extant native yes
Trinidad and Tobago extant native yes
Turks and Caicos Islands (to UK) extant native yes
USA extant native yes yes yes
Venezuela extant native yes
Virgin Islands (to UK) extant native yes
Virgin Islands (to USA) extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Aquatic & Marine Artificial/Aquatic - Ponds (below 8ha) suitable non-breeding
Artificial/Aquatic & Marine Artificial/Aquatic - Seasonally Flooded Agricultural Land suitable non-breeding
Artificial/Aquatic & Marine Artificial/Aquatic - Water Storage Areas (over 8ha) suitable non-breeding
Forest Boreal suitable breeding
Grassland Subtropical/Tropical Seasonally Wet/Flooded suitable non-breeding
Marine Neritic Estuaries suitable non-breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable resident
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable resident
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) suitable resident
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable resident
Wetlands (inland) Tundra Wetlands (incl. pools and temporary waters from snowmelt) suitable breeding
Altitude   Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops - Agro-industry farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Negligible declines Low Impact: 5
Stresses
Ecosystem degradation, Ecosystem conversion
Energy production & mining Mining & quarrying Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Ecosystem degradation
Residential & commercial development Commercial & industrial areas Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Ecosystem degradation, Ecosystem conversion
Residential & commercial development Housing & urban areas Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Ecosystem degradation, Ecosystem conversion

Recommended citation
BirdLife International (2024) Species factsheet: Wilson's Snipe Gallinago delicata. Downloaded from https://datazone.birdlife.org/species/factsheet/wilsons-snipe-gallinago-delicata on 17/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 17/12/2024.