Mixed-species grouping in Thomson's and Grant's gazelles: the antipredator benefits

@article{Fitzgibbon1990MixedspeciesGI,
  title={Mixed-species grouping in Thomson's and Grant's gazelles: the antipredator benefits},
  author={Clare D. Fitzgibbon},
  journal={Animal Behaviour},
  year={1990},
  volume={39},
  pages={1116-1126}
}
  • C. Fitzgibbon
  • Published 1 June 1990
  • Environmental Science
  • Animal Behaviour
View on Elsevier
doi.org
188 Citations
Highly Influential Citations
10
Background Citations
90
Methods Citations
1
Results Citations
1

188 Citations

Citation Type

Citation Type

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Prey species make behavioral decisions to reduce the perceived risk of predation and the time spent vulnerable to predation. Behavioral responses to predators are for example selection of specific…
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It is determined that cowtails formed larger hetero- than monospecific groups despite the low density of whiprays, and that tail length is negatively allometric with body size, suggesting its importance in vulnerable early life stages.
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The selective costs and benefits affecting the evolution of group living have long interested behavioural ecologists because knowledge of these selective forces can enhance our understanding not only…
On the Advantages of Mixed-Species Groups: Impalas Adjust Their Vigilance When Associated With Larger Prey Herbivores
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The concept that larger and dominant heterospecifics were likely to increase competition for food access, thereby forcing higher vigilance of impalas, outweighing any reduction from collective vigilance is discussed.
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The results suggest that chickadees may have a sentinel-like status in the flock, and provide a foundation for future work exploring the functions of communicative differences in mixed-species flocks.
Under my wing: lesser kestrels and jackdaws derive reciprocal benefits in mixed-species colonies
TLDR
A reciprocal influence on behavior of lesser kestrels and jackdaws nesting within the same colony is revealed, whereby both species experience decreased energetic expenditures associated with vigilance, but only lesser kstrels appear to benefit via reduced nest defense effort.
Effects of Single- and Mixed-Species Group Composition on the Flight Initiation Distances of Plains and Grevy's Zebras
TLDR
Examining the flight initiation distances of Plains and Grevy's zebras in single-species and mixed-species groups from an approaching human suggested a bidirectional moderating influence of heterospecifics on risk assessment.
Predator detection and dilution as benefits of associations between yellow mongooses and Cape ground squirrels
TLDR
Assessment of individual mongoose vigilance alone and with squirrels or other mongooses, and with varying interspecific group size, suggests that both species can benefit from the collective detection and dilution arising from their interspecific association and that this inter specific association could be mutualistic.
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References

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The Comparative Behavior of Grants and Thomson's Gazelles
TLDR
The comparative behavior of two associated gazelles, Gazella granti and G. thomsonii was observed in Ngorongoro Crater, Tanzania during a 2½-year antelope behavior study, and morphological differences alone may be considered adequate species-specific isolating mechanisms.
Flight Behaviour and Avoidance of Predators in Thomson's Gazelle (Gazella Thomsoni Guenther 1884)
[As a suhsidiary result of a study on social behaviour of Thomson's gazelle in Serengeti National Park (Tanzania) there are given informations on flight behaviour and avoidance of predators. Alert…
The effects of mixed-species flocking on the vigilance of shorebirds: Who do they trust?
Antipredator benefits of schooling behaviour in a cyprinodontid fish, the banded killifish (Fundulus diaphanus)
TLDR
Individual risk of being attacked and killed by a fish predator declined with increasing killifish school size in a manner closely predicted by the dilution hypothesis, and straying from a school has an associated increased risk of mortality to predation, which selects for schooling behaviour.
Anti-predator responses in mixed-species associations of lapwings, golden plovers and black-headed gulls
Avian flocking in the presence of a predator
TLDR
A trained hawk was flown over flocks of granivorous yellow-eyed juncos to compare time budgets in the presence and absence of a predator, and it was found that time budgets changed after the predator was introduced and also that flock size increased in the absence of the predator.
Social learning and the significance of mixed-species flocks of chickadees (Parus spp.)
The experiments described in this paper show that two species of chickadees learn from one another about the location and nature of potential feeding places when they are foraging together in mixed…
Forms of aggression in Thomson's gazelle; their situational motivation and their relative frequency in different sex, age, and social classes.
  • F. Walther
  • Psychology
    Zeitschrift fur Tierpsychologie
  • 1978
Forms of aggression, their situational motivations and frequencies in Thomson's gazelle were investigated to elucidate the multiple functions of aggressive behavior as well as quantitative…
Ecological Aspects of Some Mixed-Species Foraging Flocks of Birds
TLDR
Mixed—species flocks of birds composed of chickadees, titmice, woodpeckers, nuthatches, creepers, kinglets, and wood warblers were studied in several habitats in Louisiana, Maryland, and Maine and appear to be an effective adaptation to difficult conditions.
Variability in the Responses of Black-Billed Magpies To Natural Predators
TLDR
It is suggested that although parental investment theory may be basically correct in predicting that young increase in value to their parent as they approach independence, a variety of other factors may affect anti-predator behavior, such as the types of predators likely to be encountered and the relative danger they pose to different age classes.
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