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The loneliness of the long-distance toad: invasion history and social attraction in cane toads (Rhinella marina).


ABSTRACT: Individuals at the leading edge of a biological invasion constantly encounter novel environments. These pioneers may benefit from increased social attraction, because low population densities reduce competition and risks of pathogen transfer, and increase benefits of information transfer. In standardized trials, cane toads (Rhinella marina) from invasion-front populations approached conspecifics more often, and spent more time close to them, than did conspecifics from high-density, long-colonized populations.

SUBMITTER: Gruber J 

PROVIDER: S-EPMC5719377 | BioStudies | 2017-01-01

REPOSITORIES: biostudies

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