LC
Yellow-crowned Night Heron Nyctanassa violacea



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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.

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

Red List history
Year Category Criteria
2018 Least Concern
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 low
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 36,200,000 km2 medium
Extent of Occurrence (non-breeding) 31,900,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown poor estimated 2009
Population trend stable - suspected -
Generation length 5.1 years - - -

Trend justification: The overall population trend is stable, although some populations have unknown trends (Wetlands International 2006). This species has undergone a small or statistically insignificant decrease over the last 40 years in North America (data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and Niven 2007) Note, however, that these surveys cover less than 50% of the species's range in North America.


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

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Mexico Sur de Quintana Roo

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable non-breeding
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable breeding
Marine Intertidal Salt Marshes (Emergent Grasses) suitable non-breeding
Marine Intertidal Salt Marshes (Emergent Grasses) suitable breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable non-breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable non-breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable breeding
Altitude 0 - 800 m Occasional altitudinal limits  

Utilisation
Purpose Scale
Pets/display animals, horticulture international

Recommended citation
BirdLife International (2024) Species factsheet: Yellow-crowned Night Heron Nyctanassa violacea. Downloaded from https://datazone.birdlife.org/species/factsheet/yellow-crowned-night-heron-nyctanassa-violacea on 23/12/2024.
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 23/12/2024.