Journal
BEHAVIOUR
Volume 154, Issue 2, Pages 227-240Publisher
BRILL
DOI: 10.1163/1568539X-00003419
Keywords
audition; Canidae; foraging; olfaction; prey detection; sensory ecology; vision
Categories
Funding
- National Research Foundation [100317, TTK1206041007]
- ERC [294494]
- European Research Council (ERC) [294494] Funding Source: European Research Council (ERC)
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In the absence of direct sunlight, nocturnal animals face sensory challenges different to those affecting their diurnal counterparts whilst foraging. Anecdotal observations have led to the general prediction that the auditory sensory mode is the most prominent for the bat-eared fox (Otocyon megalotis), a nocturnal, insectivorous canid. The present study aimed to clarify the relative importance of different sensory modes to foraging bat-eared foxes by conducting sensory trials with individuals belonging to a habituated population in the Kuruman River Reserve in South Africa. Foxes were tested in repeated trials controlling for particular sensory stimuli using live or pre-killed prey. Auditory cues proved significant (p <= 0.01) predictors of fox foraging success with olfactory and visual cues indicated as being of secondary importance. This study thus provides empirical confirmation for anecdotal reports that the bat-eared fox is predominantly reliant on auditory cues to determine hunting success.
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