LC
Ruby-throated Hummingbird Archilochus colubris



Taxonomy

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. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.

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

Red List history
Year Category Criteria
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status full migrant Forest dependency Medium
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 9,860,000 medium
Extent of Occurrence non-breeding (km2) 3,350,000 medium
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
Population trend Increasing estimated -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Percentage in largest subpopulation - - -
Generation length (yrs) 5.3 - - -

Trend justification: This species has undergone a large and statistically significant increase over the last 40 years in North America (163% increase over 40 years, equating to a 27.3% increase per decade; data from Breeding Bird Survey and/or Christmas Bird Count: Butcher an.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Bahamas N Extant
Belize N Extant Yes
Bermuda (to UK) N Extant
Canada N Extant Yes Yes
Cayman Islands (to UK) N Extant
Costa Rica N Extant Yes
Cuba N Extant
Dominican Republic N Extant
El Salvador N Extant
Guatemala N Extant
Haiti N Extant
Honduras N Extant
Jamaica V Extant
Mexico N Extant
Nicaragua N Extant Yes
Panama N Extant
Puerto Rico (to USA) N Extant
St Pierre and Miquelon (to France) N Extant Yes
Turks and Caicos Islands (to UK) N Extant
USA N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Canada Norfolk Forest Complex
Canada Holiday Beach / Big Creek CA

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Rural Gardens suitable breeding
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest major non-breeding
Artificial/Terrestrial Urban Areas suitable breeding
Forest Subtropical/Tropical Dry major non-breeding
Forest Subtropical/Tropical Moist Lowland major breeding
Forest Subtropical/Tropical Moist Lowland major non-breeding
Forest Subtropical/Tropical Moist Montane suitable non-breeding
Forest Temperate suitable breeding
Shrubland Subtropical/Tropical Dry suitable non-breeding
Shrubland Subtropical/Tropical Moist suitable non-breeding
Altitude 0 - 1900 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2021) Species factsheet: Archilochus colubris. Downloaded from http://www.birdlife.org on 22/10/2021. Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 22/10/2021.