Okinawa woodpecker
The Okinawa woodpecker is a medium-sized, dark brown woodpecker endemic to the Okinawa Prefecture of Japan. It is characterized by red-tipped feathers and a distinctive call, foraging primarily on large arthropods and insects found in mature, undisturbed subtropical evergreen forests.
Key Facts
- ›Endemic to Okinawa Prefecture, Japan.
- ›Medium-sized, measuring approximately 31 cm in length.
- ›Feeds on large arthropods, insects, and occasionally fruits and nuts.
- ›Prefers undisturbed, mature subtropical evergreen forests.
- ›Nesting occurs between late February and may.
- ›Conservation status is Endangered.
Noguchi's Woodpecker, Okinawan Woodpecker, Pryer's Woodpecker, Ryukyu Woodpecker
Japan
Mature Primary Forests, Subtropical Evergreen Forests, Secondary Forests
Dark Brown, Red-Tipped Feathers, White Spots On Primaries, Paler Brown Head, Dark Red Crown, Blackish-Brown Crown
Red-Tipped Feathers, White Spots On Primaries, Sexual Dimorphism In Crown Color
Large Arthropods, Moths, Centipedes, Beetle Larvae, Spiders, Gecko Nestlings
- Forages nearer to the ground, mostly below 5 meters
- Clings to bark with zygodactyl feet
- Uses stiff tail feathers for bracing
- Hammers at trunks, stumps, and bamboo stalks to excavate insects
- Males search for spiders and cicada nymphs on the ground
- Females excavate boring beetles from tree trunks
Subtropical, evergreen broad-leaved forest, Areas with soft, decaying wood, Tall trees of more than 20 cm in diameter
Sharp Whit Call, Variable Kyu-Kyu Kup Kup Kup, Kyu Kyu Kup
About Okinawa woodpecker
The Okinawa woodpecker (Dendrocopos noguchii), also known by its Japanese name Noguchigera, is a medium-sized woodpecker found exclusively on Okinawa Island in Japan. This species is deeply tied to the island's mature, undisturbed subtropical evergreen forests, particularly in the Yambaru region. Its preference for areas with soft, decaying wood and tall trees indicates a dependence on specific forest structures for survival.
Description and Behavior
Measuring approximately 31 cm in length, the Okinawa woodpecker is predominantly dark brown with striking red-tipped feathers and white spots on its primaries. Males can be distinguished by their dark red crowns, while females have blackish-brown crowns. Their calls are described as a sharp 'whit' and a variable 'kyu-kyu kup kup kup'.
Foraging behavior is distinctive, with the birds often working near the ground, typically below five meters. They utilize their zygodactyl feet and stiff tail feathers to brace themselves against tree trunks and stumps while hammering to excavate boring insects and their larvae. While males may search for spiders and cicada nymphs on the ground, females tend to focus on excavating beetles from tree trunks. Their diet is varied, including large arthropods, moths, centipedes, beetle larvae, spiders, and occasionally gecko nestlings, with occasional forays into fruits, berries, acorns, nuts, and seeds.
Reproduction and Habitat
Nesting occurs within the breeding habitat of subtropical, evergreen broad-leaved forests that are at least 30 years old, favoring trees over 20 cm in diameter. The nesting period runs from late February to May, with chicks typically present until June. While the precise clutch size is not documented, broods usually consist of one to three chicks.
Conservation Status
The Okinawa woodpecker faces significant threats primarily from habitat loss due to logging, dam construction, agriculture, and development projects. For many years, its population trend was declining, leading to its classification as Critically Endangered. However, through dedicated forest protection efforts in its endemic range and successful control of invasive species like the small Indian mongoose, the population trend has stabilized. This positive development led to its downlisting to Endangered status in 2024. Despite conservation successes, the species remains vulnerable, with its primary habitats continuing to be impacted by various development and infrastructure projects, including those associated with military activities.
Source: Wikipedia ↗
Frequently Asked Questions
What is the scientific name of the Okinawa woodpecker?
The scientific name of the Okinawa woodpecker is Dendrocopos noguchii. It was previously placed in its own genus, Sapheopipo, but genetic analysis has shown it belongs to the Dendrocopos genus.
What are the common names for the Okinawa woodpecker?
Besides Okinawa woodpecker, it is also known as Noguchi's woodpecker, Okinawan woodpecker, Pryer's woodpecker, and Ryukyu woodpecker.
Where does the Okinawa woodpecker live?
This species is found exclusively in the Okinawa Prefecture of Japan, primarily in the undisturbed subtropical evergreen forests of Yambaru's central mountains.
What does the Okinawa woodpecker eat?
Its diet consists mainly of large arthropods, including moths, centipedes, beetle larvae, and spiders. It also consumes gecko nestlings and will occasionally forage for fruits, berries, acorns, nuts, and seeds.
What is the conservation status of the Okinawa woodpecker?
The Okinawa woodpecker is currently listed as Endangered. It was previously Critically Endangered but was downlisted in 2024 due to a stabilization of its population trend, a result of forest protection efforts and control of invasive species.
When does the Okinawa woodpecker breed?
The breeding season for the Okinawa woodpecker spans from late February to May, with egg-laying typically occurring in March and April. Chicks remain in the nest until June.
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