Avian Risk Assessment: Effects of Perching Height and Detectability

  title={Avian Risk Assessment: Effects of Perching Height and Detectability},
  author={D. Blumstein and E. Fern{\'a}ndez-juricic and Olivia E. Ledee and E. Larsen and I{\~n}aki Rodr{\'i}guez-Prieto and Claire A. Zugmeyer},
  • D. Blumstein, E. Fernández-juricic, +3 authors Claire A. Zugmeyer
  • Published 2004
  • Biology
  • Ethology
  • We studied two components of predator riskassessment in birds. While many species are limited to seeking safety under cover or under ground, some birds can fly away from their predators and escape to trees. If birds in fact feel safer (e.g. perceive less risk) in trees, we would expect them to tolerate closer approach by a potential terrestrial predator. Another component of safety is at which point the animal detects an approaching threat, which we expected to increase with eye size, assuming… CONTINUE READING
    65 Citations

    Figures from this paper

    Perch exposure and predation risk: a comparative study in passerines
    • 19
    • PDF
    Effect of visibility on time allocation and escape decisions in crimson rosellas
    • 19
    • PDF


    Back to the basics of antipredatory vigilance: can nonvigilant animals detect attack?
    • 321
    • PDF
    Synthesis Human-caused Disturbance Stimuli as a Form of Predation Risk
    • 1,344
    • PDF
    Distance-to-cover and the escape decisions of an African cichlid fish, Melanochromis chipokae
    • L. Dill
    • Biology
    • Environmental Biology of Fishes
    • 2004
    • 86
    • PDF
    Set‐Back Distances to Protect Nesting Bird Colonies from Human Disturbance in Florida
    • 203
    • PDF