Diurnal activity in cane toads (Rhinella marina) is geographically widespread.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
31 03 2020
31 03 2020
Historique:
received:
17
12
2019
accepted:
11
03
2020
entrez:
3
4
2020
pubmed:
3
4
2020
medline:
2
12
2020
Statut:
epublish
Résumé
Although adult cane toads (Rhinella marina) are generally active only at night, a recent study reported that individuals of this species switched to diurnal activity in response to encountering a novel habitat type (deeply shaded gorges) in the course of their Australian invasion. Our sampling over a broader geographic scale challenges the idea that this behaviour is novel; we documented diurnal behaviour both in the species' native range and in several sites within the invaded range, in multiple habitat types. Diurnal activity was most common in the tropics and in areas where toads attain high population densities and are in poor body condition, suggesting that the expansion of activity times may be induced by intraspecific competition for food.
Identifiants
pubmed: 32235835
doi: 10.1038/s41598-020-62402-3
pii: 10.1038/s41598-020-62402-3
pmc: PMC7109072
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
5723Références
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