Dwarf Bittern

Botaurus sturmii

Tiny, compact, dark bittern. Slate-gray on the upperparts and pale on the underparts, which have thick dark streaks. Found in heavily vegetated wetland habitats, including ponds, swamps, and sometimes mangroves. Uncommon, shy, and secretive. Call is a short series of low “hraw” notes. Somewhat similar to Striated Heron, but smaller, shorter- and thicker-necked, and darker on the back.

识别特征

It is a small bittern, and the same size as the little bittern, to which it is closely related.

分类信息

学名
Botaurus sturmii
命名信息
(Wagler, 1827)
Pelecaniformes
Ardeidae
Botaurus

分布与栖息地

It is found in Angola, Benin, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Eswatini, Ethiopia, Gabon, Gambia, Ghana, Guinea, Kenya, Liberia, Malawi, Mali, Mauritania, Mozambique, Namibia, Niger, Nigeria, Rwanda, Senegal, Sierra Leone, Somalia, South Africa, Spain (the Canary Islands), Sudan, Tanzania, Togo, Uganda, Zambia, and Zimbabwe. It is a rare vagrant in the Western Palearctic (which consists of Europe, North Africa and the Middle East), with several sightings in the Canary Islands. Two individual were observed on the island of Fuerteventura in the Canary Islands in the winter of 2017.

迁徙
Complete migrants

保护状况

It is designated least concern.

种群趋势
unknown

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分布

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