Data Zone
Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| 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 |
| Migratory status | not a migrant | Forest dependency | high |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 36,300 | |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | not applicable | not applicable | 0 | |
| Population trend | decreasing | inferred | - | |
| 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) | 6.7 | - | - | - |
Population justification: The global population size has not been quantified, but the species is reported to be not uncommon (MacKinnon and Phillipps 2000).
Trend justification:
The species is tentatively assessed as being in decline due to habitat loss per Tracewski et al. (2016).
| Country/Territory | Presence | Origin | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Taiwan, China | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Taiwan, China | Chuyanshan Nature Reserve |
| Taiwan, China | Dawushan Nature Reserve and Shuang-guei Lake Major Wildlife Habitat |
| Taiwan, China | Daxueshan, Xueshankeng, Wushikeng, Taichung City |
| Taiwan, China | Hapen and Fushan |
| Taiwan, China | Middle Section of Coastal Mountain Range |
| Taiwan, China | Nengdan, Nantou County |
| Taiwan, China | North Section of Xueshan Mountain Range, Taoyuan City |
| Taiwan, China | Sanping |
| Taiwan, China | Shihmen Reservoir |
| Taiwan, China | Taroko National Park |
| Taiwan, China | Upstream Section of Beigang River, Nantou County |
| Taiwan, China | Yuli Wildlife Refuge |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Moist Lowland | major | resident |
| Altitude | 300 - 1200 m | Occasional altitudinal limits |
| Purpose | Primary form used | Life stage used | Source | Scale | Level | Timing |
|---|---|---|---|---|---|---|
| Pets/display animals, horticulture | - | - | international | non-trivial | recent |
Recommended citation
BirdLife International (2023) Species factsheet: Urocissa caerulea. Downloaded from
http://datazone.birdlife.org/species/factsheet/taiwan-blue-magpie-urocissa-caerulea on 06/06/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 06/06/2023.
