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Data from: Olfactory cues of habitats facilitate learning about landscapes of fear

Citation

Mitchell, Matthew D. et al. (2018), Data from: Olfactory cues of habitats facilitate learning about landscapes of fear, Dryad, Dataset, https://doi.org/10.5061/dryad.218p0v2

Abstract

Across landscapes, prey are exposed to different levels of predation risk within different habitats. However, little is known about how prey learn about risk in different habitat types. Here, we examined if wood frog tadpoles, Lithobates sylvatica, use olfactory cues from two distinct, plant-dominated habitats (cattail and pond weed) to learn about the overall risk within a habitat and the risk posed by a specific predator species within different habitats. In our first experiment, tadpoles experienced both a high-risk and a low-risk habitat before being tested for habitat-specific neophobic responses, a cognitive trait expressed in high-risk but not low-risk environments. In the second experiment, we taught tadpoles to recognise a predator in one habitat while the other one was never associated with a predator. Tadpoles were then tested for their responses to the predator and a control in both habitats. Our results showed that high-risk cattail tadpoles developed habitat-specific neophobia. However, high-risk pond weed tadpoles developed a generalised neophobia, responding to the novel cues irrespective of the habitat where they were tested. We also found that the habitat in which prey learned the identity of a specific predator did not affect their responses to that predator when tested in different habitats. Our results provide support for the use of olfactory habitat cues by prey to learn about predation risk across landscapes, suggesting unrecognised nuances to how prey use such cues to learn about predation risk.

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