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LC
Trumpeter Swan Cygnus buccinator

IUCN Red List history

Year Category
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Near Threatened
1988 Lower Risk/Least Concern

Species attributes

Migratory status full migrant Forest dependency Does not normally occur in forest
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 358,000 medium
Extent of Occurrence non-breeding (km2) 358,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Increasing -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 13.6 - - -
Trend justification: This species has undergone a small or statistically insignificant increase over the last 40 years in North America (data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and Niven 2007).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Canada Native Extant     Yes Yes
Mexico Native Extant        
USA Native Extant Yes      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Canada Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) site factsheet
Canada Chehalis River Estuary site factsheet
Canada Comox Valley site factsheet
Canada Cowichan estuary site factsheet
Canada Fraser Lake site factsheet
Canada Grande Prairie - Trumpeter Swan IBA site factsheet
Canada M'Clintock Bay to Lewes River Marsh site factsheet
Canada Shallow Bay, Big Slough and Swan Lake site factsheet
Canada Somenos Marsh Wildlife Refuge site factsheet
Canada South Thompson River site factsheet
Canada Stuart, Tachie and Middle Rivers site factsheet
Canada Tagish Narrows site factsheet
USA Copper River Delta site factsheet
USA Hebgen Lake site factsheet
USA Kahiltna Flats-Petersville Road site factsheet
USA Redoubt Bay site factsheet
USA Swanson Lakes site factsheet
USA Upper Tanana River Valley site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Marine Neritic Estuaries major non-breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands major breeding
Altitude 0 - 0 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Climate change & severe weather Habitat shifting & alteration Timing Scope Severity Impact
Future Whole (>90%) Unknown Unknown
Stresses
Indirect ecosystem effects, Ecosystem degradation

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild International Non-trivial Recent
Wearing apparel, accessories Whole Adults and juveniles Wild Subsistence, National Non-trivial Historical

Recommended citation
BirdLife International (2014) Species factsheet: Cygnus buccinator. Downloaded from http://www.birdlife.org on 23/07/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 23/07/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Anatidae (Ducks, Geese, Swans)
Species name author Richardson, 1832
Population size mature individuals
Population trend Increasing
Distribution size (breeding/resident) 358,000 km2
Country endemic? No
Links to further information
- Summary information on this species