Wedge-tailed Jery

Hartertula flavoviridis

The Wedge-tailed Jery (Hartertula flavoviridis) is a diminutive and distinctive member of the endemic Malagasy warbler family, Bernieridae, representing a unique evolutionary lineage on the island. Measuring approximately 12-13 cm in length and weighing around 10-15 grams, this small passerine exhibits striking olive-green upperparts plumage that contrasts with bright yellow underparts, particularly on the belly. Its most distinctive field mark is its graduated, wedge-shaped tail, which is ol...

Habitat

This species primarily inhabits humid evergreen and montane rainforests, favoring dense undergrowth and mid-story vegetation. It typically occurs at elevations ranging from 800 to 2,000 meters above sea level.

Diet

The Wedge-tailed Jery is primarily insectivorous, feeding on a variety of small insects and spiders. It forages by gleaning prey from leaves, small branches, and bark within the forest understory.

Behavior

The Wedge-tailed Jery is a highly active and generally diurnal insectivore, often observed individually or in pairs. It characteristically forages by gleaning insects and spiders from the foliage and twigs within the dense undergrowth and mid-canopy of its forest habitat, moving swiftly and delib...

Range

The Wedge-tailed Jery is strictly endemic to the humid montane forests of eastern and northern Madagascar, where it is a year-round resident. Its distribution spans several significant protected areas and highland massifs, including Marojejy National Park, Anjanaharibe-Sud Special Reserve, the Ts...

Conservation Status

Least Concern

Fun Facts

- The Wedge-tailed Jery is endemic to Madagascar, found nowhere else on Earth. - It belongs to the Bernieridae family, a group of warbler-like birds found only on Madagascar, showcasing unique island evolution. - Its common name directly refers to its most distinctive physical feature: a graduate...

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