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 |
|---|---|---|
| 2022 | Least Concern | |
| 2016 | Near Threatened | B1ab(iii);C2a(i) |
| 2012 | Near Threatened | B1ab(iii);C2a(i) |
| 2008 | Near Threatened | C1a+b(iii); C2a(i) |
| 2004 | Near Threatened | |
| 2000 | Lower Risk/Near Threatened | |
| 1994 | Lower Risk/Near Threatened | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | not a migrant | Forest dependency | medium |
| Land-mass type |
shelf island |
Average mass | 38 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 278,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | stable | poor | suspected | - |
| Generation length | 2.86 years | - | - | - |
| Number of subpopulations | 3-50 | - | - | - |
| Percentage of mature individuals in largest subpopulation | 1-89% | - | - | - |
Population justification: The population size of this species has not been quantified, but it is described as uncommon (Allen 2020).
Trend justification: The habitat of this species is thought to be secure and, in the absence of other threats, the population is therefore suspected to be stable.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Philippines | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Philippines | Mount Apo |
| Philippines | Mount Balatukan |
| Philippines | Mount Halcon |
| Philippines | Mount Hinunduang |
| Philippines | Mount Kampalili-Puting Bato |
| Philippines | Mount Kitanglad |
| Philippines | Mount Malindang |
| Philippines | Mount Pulag National Park |
| Philippines | Northern Sierra Madre Natural Park |
| Philippines | Peñablanca Protected Landscape and Seascape |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Subtropical/Tropical Heavily Degraded Former Forest | major | resident |
| Forest | Subtropical/Tropical Moist Montane | major | resident |
| Shrubland | Subtropical/Tropical High Altitude | major | resident |
| Altitude | 1200 - 2400 m | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Climate change & severe weather | Habitat shifting & alteration | Timing | Scope | Severity | Impact | ||||
| Future | Whole (>90%) | Unknown | Unknown | ||||||
|
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Recommended citation
BirdLife International (2024) Species factsheet: Mountain Shrike Lanius validirostris. Downloaded from
https://datazone.birdlife.org/species/factsheet/mountain-shrike-lanius-validirostris 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.