Acrocephalus percernis
The Northern Marquesan Reed Warbler (*Acrocephalus percernis*) is a small, enigmatic passerine endemic to the northern Marquesas Islands in French Polynesia, offering a unique glimpse into island avifauna. Measuring approximately 17 cm in length and weighing around 20-25 grams, this reed warbler exhibits a relatively drab plumage, characterized by olive-brown upperparts that transition to a paler, often buffish-white, underside. A subtle, pale supercilium is often the most distinctive field m...
This warbler inhabits dense, tangled vegetation, ranging from low scrub and secondary growth to the understory of humid forests, often near freshwater sources or in degraded agricultural areas, typically found from sea level up to around 1000 meters.
Primarily insectivorous, the Northern Marquesan Reed Warbler feeds on a variety of invertebrates, including insects and their larvae, which it gleans from foliage and bark within dense vegetation.
The Northern Marquesan Reed Warbler is typically an elusive bird, often heard before it is seen, foraging actively and solitarily within dense undergrowth throughout the day. It employs a gleaning strategy, meticulously searching leaves, branches, and crevices for a variety of invertebrates. Male...
The Northern Marquesan Reed Warbler is strictly endemic to the northern Marquesas Islands, an archipelago within French Polynesia. Its breeding range encompasses several islands including Nuku Hiva, Ua Huka, Ua Pou, Fatu Hiva, Tahuata, and Hiva Oa. There is no known migratory behavior; individual...
Vulnerable
- This species is an island endemic, found only on the northern Marquesas Islands, making it a unique and irreplaceable part of French Polynesia's biodiversity. - Despite its 'reed warbler' common name, it often inhabits dense forest undergrowth and scrub rather than typical *Phragmites* reed bed...