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Lesser Swamp Warbler - BirdForum Opus

(Redirected from Lesser Swamp-Warbler)

Alternative name: Cape Reed Warbler

Photo by Leon
Marievale(Johannesburg), South Africa, April 2004
Acrocephalus gracilirostris

Identification

14-16 cm long and weighing around 20 g. Brown upperparts, white supercilium and underparts, rufous wash to the flanks. The long, strong bill has a slightly down-curved upper mandible; it is blackish-yellow with a yellower base. Blue-grey legs, brown eyes. Adults of both sexes and juvenile birds are very similar in appearance.

Distribution

Sub-Saharan Africa: From Nigeria, Chad, Sudan and Ethiopia in the north, south to South Africa. Absent west of Nigeria.

Taxonomy

The Lesser Swamp Warbler Acrocephalus gracilirostris, is an 'Old World' Warbler with eight subspecies:

  • A. g. gracilirostris;
  • A. g. neglectus;
  • A. g. jacksoni;
  • A. g. tsanae;
  • A. g. leptorhynchus;
  • A. g. parvus;
  • A. g. cunensis; and
  • A. g. winterbottomi.

Habitat

Reedbeds in standing water.

Behaviour

It builds a deep, firm cup nest from strips of reed blades, grass and sedges, which is lined with finer grasses. 2-3 brown eggs are laid.

Diet includes insects and other small invertebrates, often taken from the water surface.

Gallery

Click on photo for larger image

External Links

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