Ontology highlight
ABSTRACT:
SUBMITTER: Fuchs B
PROVIDER: S-EPMC6371904 | biostudies-literature | 2019 Jan
REPOSITORIES: biostudies-literature
Biology letters 20190101 1
Hyperphagia is a critical part of the yearly cycle of bears when they gain fat reserves before entering hibernation. We used heart rate as a proxy to compare the metabolic rate between the Asian black bear ( Ursus thibetanus) in Japan and the Eurasian brown bear ( Ursus arctos) in Sweden from summer into hibernation. In the hyperphagic period, black bears feed on fat- and carbohydrate-rich hard masts whereas brown bears feed on sugar-rich berries. Availability of hard masts has quantitative and ...[more]