Data Zone
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.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| A2bcd | A2bcd | A2bcd; D1 |
| Year | Category | Criteria |
|---|---|---|
| 2017 | Critically Endangered | A2bcd |
| 2016 | Critically Endangered | A2bcd |
| 2015 | Critically Endangered | A2bcd |
| 2013 | Critically Endangered | A2bcd |
| 2012 | Critically Endangered | A2bcd |
| 2009 | Critically Endangered | A2b,c,d |
| 2008 | Critically Endangered | |
| 2004 | Critically Endangered | |
| 2000 | Critically Endangered | |
| 1996 | Critically Endangered | |
| 1994 | Critically Endangered | |
| 1988 | Threatened |
| Migratory status | not a migrant | Forest dependency | medium |
| Land-mass type |
shelf island |
Average mass | 288 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 734,000 km2 | medium |
| Area of Occupancy (breeding/resident) | 600 km2 | medium |
| Area of Occupancy (non-breeding) | 300 km2 | medium |
| Number of locations | 11-100 | - |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 430-750 mature individuals | medium | estimated | 2015 |
| Population trend | decreasing | medium | suspected | 1979-2009 |
| Rate of change over the past 10 years/3 generations (longer of the two periods) | 80-100% | - | - | - |
| Generation length | 13 years | - | - | - |
| Number of subpopulations | 5 | - | - | - |
| Percentage of mature individuals in largest subpopulation | 1-89% | - | - | - |
Population justification: The population is estimated to number 650-1,120 individuals, roughly equivalent to 430-750 mature individuals (P. Widmann in litt. 2016).
Trend justification: This long-lived species has declined extremely rapidly owing to extensive deforestation within its range, but also as a result of the high prices the birds fetch in trade (c. US$300 in Manila). This resulted in near-total harvest of nestlings and consequently recruitment was extremely low. However, the current population trend may in fact be far more favourable, since many populations in the oceanic Philippines are extinct and some protected populations are increasing (P. Widmann in litt. 2012, 2016). In five PCCP (Philippine Cockatoo Conservation Program) project sites, it has recovered considerably, but declines elsewhere continue, notably in Polillo, and it is feared nearing extinction in Rizal. Interviews with trappers and farmers indicate that Philippine Cockatoos were considerably more common at least until the early 1980s in Palawan, Mindoro, Polillo, Mabate, Samar, Bohol, and Siargao, indicating that the dramatic decline occurred later in this decade (P. Widmann in litt. 2013). Therefore although they have now slowed or even stopped, declines are suspected to have been >80% in the past three generations (39 years), and as such the current trend is tentatively retained as declining.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Philippines | extant | native | yes |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Plantations | marginal | resident |
| Forest | Subtropical/Tropical Dry | major | resident |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | major | resident |
| Altitude | 0 - 150 m | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Agriculture & aquaculture | Annual & perennial non-timber crops - Agro-industry farming | Timing | Scope | Severity | Impact | ||||
| Future | Minority (<50%) | Slow, Significant Declines | Low Impact: 3 | ||||||
|
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| Agriculture & aquaculture | Annual & perennial non-timber crops - Shifting agriculture | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
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| Agriculture & aquaculture | Annual & perennial non-timber crops - Small-holder farming | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
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| Agriculture & aquaculture | Marine & freshwater aquaculture - Scale Unknown/Unrecorded | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
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| Biological resource use | Hunting & trapping terrestrial animals - Intentional use (species is the target) | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
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| Biological resource use | Hunting & trapping terrestrial animals - Persecution/control | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Negligible declines | Low Impact: 5 | ||||||
|
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| Biological resource use | Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
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| Climate change & severe weather | Droughts | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
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| Human intrusions & disturbance | Recreational activities | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Unknown | Unknown | ||||||
|
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| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Unspecified species | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
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| Residential & commercial development | Commercial & industrial areas | Timing | Scope | Severity | Impact | ||||
| Future | Minority (<50%) | Slow, Significant Declines | Low Impact: 3 | ||||||
|
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| Purpose | Scale |
|---|---|
| Food - human | subsistence |
| Pets/display animals, horticulture | subsistence, national |
Recommended citation
BirdLife International (2024) Species factsheet: Philippine Cockatoo Cacatua haematuropygia. Downloaded from
https://datazone.birdlife.org/species/factsheet/philippine-cockatoo-cacatua-haematuropygia on 22/11/2024.
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 22/11/2024.