Acrocephalus griseldis
The Basra Reed Warbler (Acrocephalus griseldis) is a critically endangered passerine, a jewel of the Mesopotamian Marshes. This relatively large reed warbler measures approximately 17-18 cm in length with a weight typically ranging from 18-24 grams, exhibiting a rather uniform, unstreaked brown plumage on its upperparts that transitions to a buffy-white on its underparts, often with a subtle, pale supercilium above the eye. Its most distinctive field marks include a long, slender bill and a s...
Primarily inhabits dense, tall reedbeds (Phragmites australis) within freshwater marshes, particularly in the Mesopotamian Marshes, and similar dense wetland vegetation in its wintering grounds at low elevations.
Feeds almost exclusively on insects and other invertebrates, primarily gleaned from reed stalks and surrounding vegetation.
Basra Reed Warblers are diurnal and generally secretive, preferring to stay hidden deep within dense reedbeds, making them challenging to observe. They forage by gleaning insects from reed stalks and leaves, often moving with an agile, mouse-like manner through the vegetation. Males establish and...
The Basra Reed Warbler has an extremely restricted breeding range, primarily centered in the southern Mesopotamian Marshes of Iraq, with occasional breeding records from southwestern Iran. After breeding, it undertakes a significant migratory journey, traversing the Arabian Peninsula. Its winteri...
Critically Endangered
- The Basra Reed Warbler was once feared extinct after its last confirmed sighting in 1929, only to be dramatically rediscovered in 1968, sparking renewed conservation efforts. - Its breeding stronghold, the Mesopotamian Marshes in Iraq, suffered catastrophic destruction under Saddam Hussein's re...