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  • Cambridge University Press (CUP)  (2)
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  • Cambridge University Press (CUP)  (2)
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  • 1
    Online Resource
    Online Resource
    Notes on the ecology and conservation status of key bird species in Nilo and Nguu North Forest Reserves, Tanzania
    Cambridge University Press (CUP) ; 1999
    In:  Bird Conservation International Vol. 9, No. 1 ( 1999-03), p. 9-28
    Details
    In: Bird Conservation International, Cambridge University Press (CUP), Vol. 9, No. 1 ( 1999-03), p. 9-28
    Abstract: Ornithological surveys were conducted in Tanzanian submontane forest at Nilo Forest Reserve in the East Usambaras and Nguu North Forest Reserve in the Nguu Mountains in July-September 1995. Information on the ecology of poorly known bird species of conservation interest was collected and combined with previously published information to assess their conservation status. Sixteen species of conservation interest were recorded during fieldwork, including five Vulnerable (Usambara Eagle Owl Bubo vosseleri , East Coast Akalat Sheppardia gunningi , Amani Sunbird Anthreptes pallidigaster , Banded Green Sunbird Anthreptes rubritorques and Usambara Weaver Ploceus nicolli ); three Near-threatened (Southern Banded Snake Eagle Circaetus fasciolatus , Fischer's Turaco Tauraco fischeri and Moreau's Sunbird Nectarinia moreaui ); one regionally Endangered (Southern Hyliota Hyliota australis ); one regionally Vulnerable (Uluguru Violet-backed Sunbird Anthreptes neglectus ), two regionally Near-threatened (Lemon Dove Aplopelia lavata and Evergreen Forest Warbler Bradypterus barratti ); and 10 in total as restricted-range species (Fischer's Turaco, Usambara Eagle Owl, Sharpe's Akalat Sheppardia sharpei , Red-capped Forest Warbler Orthotomus metopias , Spot-throat Modulatrix stictigula , Amani Sunbird, Banded Green Sunbird, Moreau's Sunbird, Kenrick's Starling Poeoptera kenricki and Usambara Weaver). New information on the ecology of these species is presented in this paper. It is recommended that the conservation status of East Coast Akalat and Uluguru Violet-backed Sunbird be changed to globally Near-threatened and regionally Near-threatened, respectively. Should further work confirm that the Usambara race of Southern Hyliota deserves specific status it is strongly recommended that it be considered globally Endangered. All other species recorded should retain their current status and continue to be monitored. The Nguus represented a new locality for several species. Sharpe's Akalat, Spot-throat, Red-Capped Forest Warbler, otherwise widely distributed throughout the east Tanzania, were absent from the Nguus.
    Type of Medium: Online Resource
    ISSN: 0959-2709 , 1474-0001
    URL: Article
    DOI: 10.1017/S0959270900003312
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 1999
    detail.hit.zdb_id: 2037673-X
    SSG: 12
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Species limits within Grey-headed Quail-dove Geotrygon caniceps and implications for the conservation of a globally threatened species
    Cambridge University Press (CUP) ; 2001
    In:  Bird Conservation International Vol. 12, No. 2 ( 2001-06), p. 169-187
    Details
    In: Bird Conservation International, Cambridge University Press (CUP), Vol. 12, No. 2 ( 2001-06), p. 169-187
    Abstract: Grey-headed Quail-dove Geotrygon caniceps has traditionally been considered a polytypic species endemic to Cuba and the Dominican Republic and treated as globally threatened within the most recent Red Data Book (BirdLife International 2000). Chapman (1917) described Geotrygon leucometopius of Hispaniola as specifically distinct from G. caniceps of Cuba based on 10 specimens, taken by Rollo Beck in the Dominican Republic. Subsequently, Bond (1936, 1956) merged leucometopius within caniceps , an arrangement that has persisted, unchallenged in the technical literature, until the present. Through examination of 76 specimens, extensive field experience of Cuban birds, and less exhaustive fieldwork in the Dominican Republic, we re-evaluate the taxonomic status of the Hispaniolan population, identifying consistent differences in coloration, tail length and characteristics of the second to fifth primaries between it and the Cuban population. Based on these differences, we suggest that caniceps (endemic to Cuba) and leucometopius (restricted to the Dominican Republic) be henceforth resurrected to species status. We were unable to undertake a complete analysis of the vocalizations of the two forms, due to the lack of definite recordings from Hispaniola, but present sonograms and notes concerning Cuban birds. Further work, including molecular analyses, would be clearly desirable to test our hypothesis. Both forms are undoubtedly declining due to habitat destruction and hunting, and both certainly qualify as Vulnerable under current IUCN criteria. Indeed, leucometopius may even qualify as Endangered under the range criterion. Its status requires particularly careful monitoring, while new information, published since the BirdLife International (2000) review of globally threatened birds, suggests that the range even of nominate caniceps is considerably smaller than previously considered.
    Type of Medium: Online Resource
    ISSN: 0959-2709 , 1474-0001
    URL: Article
    DOI: 10.1017/S0959270902002101
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2001
    detail.hit.zdb_id: 2037673-X
    SSG: 12
    Location Call Number Limitation Availability
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    Online Resource
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