Articles by Author: Quintino Tchantchalam

Search results for Quintino Tchantchalam

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  1. Ecology and behaviour of Palm-nut Vultures <em>Gypohierax angolensis</em> in the Bijagós Archipelago, Guinea-Bissau<xref ref-type="fn" rid="FN0001"/>

    Ecology and behaviour of Palm-nut Vultures <em>Gypohierax angolensis</em> in the Bijagós Archipelago, Guinea-Bissau<xref ref-type="fn" rid="FN0001"/>

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Populations of many vulture species have undergone substantial declines. In Africa, 82% are threatened and although research on vultures has increased, the biology and ecology of several species is still poorly known. The Palm-nut Vulture Gypohierax angolensis has peculiar ecological...
  2. Nest-site characteristics and aspects of the breeding biology of the endangered Timneh Parrot <em>Psittacus timneh</em> in Guinea-Bissau

    Nest-site characteristics and aspects of the breeding biology of the endangered Timneh Parrot <em>Psittacus timneh</em> in Guinea-Bissau

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Timneh Parrots Psittacus timneh are endemic to the moist forests of West Africa. Concerns over rapid declines in populations due to overharvesting for the pet trade and forest loss prompted the species’ categorisation as Endangered on the IUCN Red List...