Northern Marquesan Reed-warbler

The Northern Marquesan Reed-warbler (<em>Acrocephalus percernis</em>) is a member of the family Acrocephalidae and is endemic to forest habitats in the Marquesas Islands of French Polynesia. Island-endemic reed-warblers such as this species have adapted to forested environments rather than the wetland habitats more typical of the genus. Detailed plumage and behavioral descriptions of this species are limited in the available literature. Nesting records indicate it builds a cup nest (CP), with a clutch size of 3 to 4 eggs. The Northern Marquesan Reed-warbler is currently assessed as Least Concern, though island endemics are inherently vulnerable to habitat degradation and introduced predators. Its restricted geographic range makes ongoing monitoring important for ensuring continued population stability. Limited survey data mean that population trends for this species remain uncertain, and further research into its ecology and habitat use would be beneficial.