Articles by Author: A Regalla

Search results for A Regalla

We found 3 results for you
  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. Status of birds of prey in Guinea-Bissau: first assessment based on road surveys<xref ref-type="fn" rid="F0000"/>

    Status of birds of prey in Guinea-Bissau: first assessment based on road surveys<xref ref-type="fn" rid="F0000"/>

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Several studies have reported marked declines in populations of birds of prey across the African continent, including West Africa. However, there are still regions of which virtually nothing is known, as is the case for Guinea-Bissau. Because birds of prey...
  3. Predatory pelagic fishes of the Bijagós Archipelago (Guinea-Bissau) show high overlap in diets dominated by sardinella

    Predatory pelagic fishes of the Bijagós Archipelago (Guinea-Bissau) show high overlap in diets dominated by sardinella

    Item type: Journal Article • Journal: African Journal of Marine Science
    Knowledge of trophic interactions between the key components of marine communities is required to understand food-web dynamics and develop ecosystem-based management approaches. In West Africa, where fisheries sustain the livelihoods of a significant part of the human population, this understanding...