Tuesday 18 June
Okinawa woodpecker (Dendrocopos noguchii)
CRITICALLYENDANGERED
Okinawa woodpecker fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
- Print factsheet
Okinawa woodpecker description
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Order | Piciformes |
| Family | Picidae |
| Genus | Dendrocopos (1) |
This russet-brown woodpecker is one of the most endangered members of the family. It is a medium-sized bird with dark-brown colouring, fading to tan around the head and neck (3). The male has a dark-red crown whilst that of the female is blackish (3). Juveniles tend to be duller and greyer than the adult birds (2). The Okinawa woodpecker gives a series of long irregular clear whistled notes such as 'kwe kwe kwe' or 'pwip pwip' (2).
- Also known as
- Noguchi's woodpecker, Pryer's woodpecker.
- Synonyms
- Sapheopipo noguchii.
- Size
- Length: 31 - 35 cm (2)
-
BirdLife International’s World Bird Database
http://www.birdlife.net/datazone/search/species_search.html?action=SpcHTMDetails.asp&sid=743&m=0 -
Red Data Book, Threatened Birds of Asia
http://www.rdb.or.id/detailbird.php?id=314 - BirdLife International (2000) Threatened Birds of the World. Lynx Edicions and BirdLife International, Barcelona and Cambridge.
- Endemic
- A species or taxonomic group that is only found in one particular country or geographic area.
-
IUCN Red List (October, 2002)
http://www.redlist.org - del Hoyo, J., Elliott, A. & Sargatal, J. [eds.] (2002) Handbook of the Birds of the World. Vol 7: Jacamars to woodpeckers. Lynx Edicions, Barcelona.
- BirdLife International (2000) Threatened Birds of the World. Lynx Edicions and BirdLife International, Barcelona and Cambridge.
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Okinawa woodpecker biology
Adults excavate nests of around 20 cm diameter in large, old trees and eggs are laid between late February and May (2). Nests are often reused in subsequent years and around 1 - 3 chicks are raised per brood (2).
Pecking and hammering at soft and rotten wood, usually situated close to the ground, the Okinawa woodpecker uncovers various food items including beetle larvae, spiders, moths and centipedes (2). Fruits, berries and seeds are also eaten, often situated further up in the canopy (2).
TopOkinawa woodpecker range
Endemic to Okinawa Island, Japan, this species was thought to be on the brink of extinction as long ago as the 1930s (3). In the early 1990s the breeding population was estimated to be fewer than 100 individuals. The main breeding areas are located between Mt Nishime-take and Mt Iyu-take on Okinawa (3).
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Species with a similar range
Okinawa woodpecker habitat
Inhabits mature, undisturbed evergreen broadleaved forest (2), much of which is now confined to the hilltops (2). Preferred areas include soft, decaying wood, which facilitates feeding (2).
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Species found in a similar habitat
Okinawa woodpecker status
Classified as Critically Endangered (CR - C2b) on the IUCN Red List 2002 (1).
Okinawa woodpecker threats
The Okinawa woodpecker requires forest that is at least 30 years of age, and a vast amount of suitable habitat on the island has been lost in the past century (2). Logging, dam construction, road building and agricultural development have all caused losses of prime habitat (3). The species is now restricted to small and fragmented populations that are at inherent risk from chance events such as disease and natural disasters (2).
TopOkinawa woodpecker conservation
The Okinawa woodpecker is protected by law in Japan and the area within which it is found was declared a National Park in 1996 (2). Deforestation is continuing to encroach on remaining tracts of pristine habitat however, and further action is still needed (2). Some conservation organisations have purchased areas of habitat in an effort to secure the future of this native bird, and investigation into the possibility of forest 'corridors' linking protected habitat is required (2).
|
View information on this species at the UNEP World Conservation Monitoring Centre. |
Find out more
For further information on the Okinawa woodpecker see:
Authentication
Authenticated by BirdLife International Secretariat.
http://www.birdlife.org
Glossary
References
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