Abundance, ecological segregation and responses to habitat change across a diurnal raptor community in northwestern Peru


  1. To examine the distribution, habitat use, co-occurrence, and ecology of individual species from a rich diurnal raptor assemblage in a large and key protected area in northwestern Peru.
  2. To use novel variants of distance sampling transect methods to assess population sizes and densities for each raptor species.
  3. To estimate territory size, and micro-habitat and resource use of the Grey-backed Hawk Leucopternis occidentalis and similar species.
  4. For the species selected, identify axes of inter-specific segregation in diet, body size, habitat partitioning and behavior.
  5. For the species selected, predict how cattle grazing affects the assemblage of raptor species in the study area.
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