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 |
|---|---|---|
| - | - | C2a(ii) |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Vulnerable | C2a(ii) |
| 2012 | Vulnerable | C2a(ii) |
| 2008 | Vulnerable | C2a(ii) |
| 2007 | Vulnerable | |
| 2004 | Vulnerable | |
| 2000 | Vulnerable | |
| 1994 | Lower Risk/Near Threatened | |
| 1988 | Threatened |
| Migratory status | not a migrant | Forest dependency | high |
| Land-mass type |
continent |
Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 334,000 km2 | medium |
| Number of locations | 11-100 | - |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 2500-9999 mature individuals | poor | estimated | 2000 |
| Population trend | decreasing | poor | suspected | 2008-2025 |
| Rate of change over the past 10 years/3 generations (longer of the two periods) | 10-19% | - | - | - |
| Rate of change over the future 10 years/3 generations (longer of the two periods) | 10-19% | - | - | - |
| Rate of change over the past & future 10 years/3 generations (longer of the two periods) | 10-19% | - | - | - |
| Generation length | 5.6 years | - | - | - |
| Number of subpopulations | 1 | - | - | - |
| Percentage of mature individuals in largest subpopulation | 100% | - | - | - |
Population justification: The population is estimated to number 2,500-9,999 mature individuals based on an assessment of known records, descriptions of abundance and range size. This is consistent with recorded population density estimates for congeners or close relatives with a similar body size, and the fact that only a proportion of the estimated Extent of Occurrence is likely to be occupied. This may be conservative as the species may be rare in suitable habitat as encounter rates of 0.03-0.6 individuals/km have been recorded (Mehta and Kulkarni 2012) and c.71 individuals were found during surveys of Sahyadri Tiger Reserve (1165km2) (Koparde et al. 2015). The population size estimate is equivalent to 3,750-14,999 individuals, rounded here to 3,500-15,000 individuals (P. O. Nameer in litt. 2003).
Trend justification: This species is suspected to be declining at a moderate rate, based on on-going rates of habitat loss and potential hunting pressure.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| India | extant | native | yes |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Moist Lowland | major | resident |
| Forest | Subtropical/Tropical Moist Montane | major | resident |
| Altitude | 20 - 2250 m | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 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 | Wood & pulp plantations - Scale Unknown/Unrecorded | 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 - Intentional use (species is the target) | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Negligible declines | Low Impact: 4 | ||||||
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| Energy production & mining | Mining & quarrying | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
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| Energy production & mining | Renewable energy | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
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| Natural system modifications | Dams & water management/use - Dams (size unknown) | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
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| Residential & commercial development | Housing & urban areas | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
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| Residential & commercial development | Tourism & recreation areas | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
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| Purpose | Scale |
|---|---|
| Food - human | subsistence, national |
| Pets/display animals, horticulture | international |
| Sport hunting/specimen collecting | subsistence, national |
Recommended citation
BirdLife International (2024) Species factsheet: Nilgiri Woodpigeon Columba elphinstonii. Downloaded from
https://datazone.birdlife.org/species/factsheet/nilgiri-woodpigeon-columba-elphinstonii on 23/11/2024.
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 23/11/2024.