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Red-crowned Amazon Amazona viridigenalis

IUCN Red List Criteria

Critically Endangered  
Endangered A2bcd+3bcd+4bcd 
Vulnerable A2bcd+3bcd+4bcd 

IUCN Red List history

Year Category
2013 Endangered
2012 Endangered
2008 Endangered
2004 Endangered
2000 Endangered
1996 Endangered
1994 Endangered
1988 Threatened

Species attributes

Migratory status nomadic Forest dependency High
Land mass type continent
Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 7,800 medium
Number of locations 11-100 -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals 2000-4300 medium Estimated 2000
Population trend Decreasing poor -
Number of subpopulations 2-100 - - -
Largest subpopulation 1001-10000 - - -
Generation length (yrs) 12.3 - - -
Population justification: In 1992-1994, estimated densities in one area in Mexico indicated a wild population of 3,000-6,500 birds (E. C. Enkerlin-Hoeflich in litt. 1994). This estimate roughly equates to 2,000-4,300 mature individuals.
Trend justification: Historic densities recorded for the species were 25.2 birds/km2 in the 1970s (Castro 1976), falling to 5.7 birds/km2 in one area in 1992-1994 (E. C. Enkerlin-Hoeflich in litt. 1994, Enkerlin-Hoeflich 1995), indicating a decline of up to 77.4% over c.20 years. The decline is suspected to be continuing at a rate exceeding 50% over ten years, owing to the ongoing threats of trapping and forest clearance.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Mexico Native Extant       Yes
Puerto Rico (to USA) Introduced Extant       Yes
USA Introduced Extant       Yes

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Pastureland suitable resident
Forest Subtropical/Tropical Dry major resident
Forest Subtropical/Tropical Moist Lowland major resident
Altitude 0 - 1000 m 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%) Slow, Significant Decline Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Livestock farming & ranching / Agro-industry grazing, ranching or farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Decline Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Hunting & trapping terrestrial animals / Intentional use (species is the target) Timing Scope Severity Impact
Ongoing Majority (50-90%) Very Rapid Declines High Impact: 8
Stresses
Species disturbance, Ecosystem degradation, Reduced reproductive success, Species mortality

Utilisation

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

Recommended citation
BirdLife International (2014) Species factsheet: Amazona viridigenalis. Downloaded from http://www.birdlife.org on 25/12/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 25/12/2014.

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 Endangered
Family Psittacidae (Parrots)
Species name author (Cassin, 1853)
Population size 2000-4300 mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 7,800 km2
Country endemic? Yes
Links to further information
- Summary information on this species