- Kretschmer's Longbill
 - Kretschmer's Longbill
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Kretschmer's Longbill Macrosphenus kretschmeri Scientific name definitions

David Pearson
Version: 1.0 — Published March 4, 2020
Text last updated January 1, 2006

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Field Identification

14–14·5 cm; 17·5–22 g. Rather large greenbul-like warbler with long straight bill and pale eyes. Has top and side of head greyish-olive, upperparts and upperwing-coverts dull olive-green; flight-feathers and tail dark brown, edged olive green; greyish-tinged olive-yellow below, paler on chin and throat, yellower on central breast and belly; iris yellowish or creamy; bill dark horn to blackish above, whitish or pale pinkish below; legs greyish-brown to pinkish. Sexes alike. Juvenile has top of head greener than adult, eyes pale brown. Race griseiceps has greyer head and slightly paler underparts than nominate.

Systematics History

Editor's Note: This article requires further editing work to merge existing content into the appropriate Subspecies sections. Please bear with us while this update takes place.

Originally considered to be a greenbul (Pycnonotidae) and was assigned to monospecific Suaheliornis, based on its larger size, longer tail and stouter bill. Two subspecies recognized.

Subspecies


SUBSPECIES

Macrosphenus kretschmeri kretschmeri Scientific name definitions

Distribution

NE and E Tanzania: Mt Kilimanjaro, Moshi, and from Usambaras and Ngurus S to Ulugurus and Udzungwas (in Mwahihana and Magombera Forests), and on coast in forests of Kiono, Pugu, Kazimzumbwe and Kiwengome.

SUBSPECIES

Macrosphenus kretschmeri griseiceps Scientific name definitions

Distribution

SE Tanzania (Mikandani) and N Mozambique (Netia).

Distribution

Editor's Note: Additional distribution information for this taxon can be found in the 'Subspecies' article above. In the future we will develop a range-wide distribution article.

Habitat

Dense undergrowth and middle stratum of lowland and intermediate-level forest; bushy forest edge; coastal thickets. To 1800 m.

Movement

Sedentary.

Diet and Foraging

Insects. Forages singly, in pairs or in small groups. Forages in thick vegetation; searches among leaves on forest floor.

Sounds and Vocal Behavior

Song, from concealed perch, bulbul-like, a quick phrase of c. 4 loud clear notes, the first higher, more emphatic, “week, tyurk-er-eek” or “weet, chew-wer-chek”, repeated every few seconds. Contact call a clear “ker-up”; alarm a loud “charrr”.

Breeding

Birds in breeding condition in Feb and Apr in Tanzania. No other information.
Not globally threatened. Common at Netia, in N Mozambique; otherwise uncommon to locally common. Nominate race formerly occurred also in Kitovu Forest, in SE Kenya. Has fragmented distribution within a restricted range, where forest destruction continues in some areas. Some forests occupied by this species are protected by the fact that they are difficult of access; Mwanihana Forest lies within the Udzungwa National Park (Tanzania).
Distribution of the Kretschmer's Longbill - Range Map
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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding
Distribution of the Kretschmer's Longbill

Recommended Citation

Pearson, D. (2020). Kretschmer's Longbill (Macrosphenus kretschmeri), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.krelon1.01
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