4.5 Article

The effect of competing carnivores on the feeding behaviour of leopards (Panthera pardus) in an African savanna

Journal

ECOLOGY AND EVOLUTION
Volume 11, Issue 12, Pages 7743-7753

Publisher

WILEY
DOI: 10.1002/ece3.7608

Keywords

Bait; camera trap; competition; GPS collar; intraguild; kleptoparasitism; predation risk

Funding

  1. The Malilangwe Trust, Chiredzi, Zimbabwe

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Understanding competition dynamics among large carnivores is important for conservation efforts, especially when difficult-to-access species are involved. Remote data collection methods like camera traps and GPS collars offer valuable insights into natural behaviors and interactions among species. Combining data from these methods can improve the interpretation of animal behaviors and their responses to competition from other predators.
Knowledge of competition dynamics among Africa's large carnivores is important for conservation. However, investigating carnivore behaviour in the field can be challenging especially for species that are difficult to access. Methods that enable remote collection of data provide a means of recording natural behaviour and are therefore useful for studying elusive species such as leopards (Panthera pardus). Camera traps and Global Positioning System (GPS) collars are powerful tools often used independently to study animal behaviour but where their data are combined, the interpretation of a species' behaviours is improved. In this study we used data from baited camera trap stations to investigate the feeding habits of leopards at Malilangwe Wildlife Reserve, Zimbabwe. We investigated the influence of spotted hyenas, lions and other competing leopards on the feeding duration of leopards using Generalized Linear Mixed Effects Modelling. To test the influence of competing predators on resting distances from bait sites, eight leopards were fitted with GPS collars. Results showed that leopards spent the shortest time feeding on the baits in the presence of competing male leopards compared to other predators while lion presence caused animals to rest farthest from bait sites. Interaction analysis indicated that small-bodied leopards spent significantly shorter durations feeding when spotted hyenas were present. Our findings demonstrate that competition from guild carnivores has negative impacts on the food intake of leopards, which may have implications for fitness and survival. This study provides a snapshot of the competition dynamics at bait sites which may give insight to ecosystem level interactions among large carnivores in savanna ecosystems.

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