Orania ravaka
Abstract
Orania ravaka has most recently been assessed for The IUCN Red List of Threatened Species in 2010. Orania ravaka is listed as Vulnerable under criteria B1ab(iii)+2ab(iii); D1.
The Red List Assessment
Rakotoarinivo, M. & Dransfield, J. 2012. Orania ravaka. The IUCN Red List of Threatened Species 2012: e.T38623A2881235. Accessed on 14 December 2025.
Last assessed
17 December 2010
Scope of assessment
Global
Population trend
Unknown
Number of mature individuals
800
Habitat and ecology
Forest
Geographic range
-
Extant (resident)
Assessment Information
Global Assessment
IUCN Red List Category and Criteria - Global Assessment
Vulnerable B1ab(iii)+2ab(iii); D1
Date assessed
17 December 2010
Year published
2012
Annotations
Needs updating
Assessment Information in detail
Geographic Range
Native
Extant (resident)
Madagascar
Number of locations
6
Upper elevation limit
900 metres
Lower elevation limit
100 metres
Geographic Range in detail
Population
Current population trend
Number of mature individuals
800
Population severely fragmented
No
Continuing decline of mature individuals
Population in detail
Habitat and Ecology
System
Habitat type
Generation length (years)
Congregatory
Continuing decline in area, extent and/or quality of habitat
Yes
Habitat and Ecology in detail
Threats
Agriculture & aquaculture
- Annual & perennial non-timber crops
Biological resource use
- Logging & wood harvesting
Threats in detail
Use and Trade
Use and Trade in detail
Conservation Actions
In-place land/water protection
- Occurs in at least one protected area : Yes
Conservation Actions in detail
Bibliography
Red List Bibliography
External Data
Images and External Links
Images and External Links in detail
CITES Legislation from Species+
Data source
The information below is from the Species+ website.
CITES Legislation from Species+ in detail
Ex situ data from Species360
Data source
The information below is from Species360's Zoological Information Management System (ZIMS)
Ex situ data from Species360 in detail
Studies and Actions from Conservation Evidence
Data source
The information below is from the Conservation Evidence website.