Dining from the coast to the summit: Salmon and pine nuts determine the summer body condition of female brown bears on the Shiretoko Peninsula

• Published in: Ecology and evolution Vol. 11; no. 10; pp. 5204 - 5219
• Main Authors: Shirane, Yuri, Jimbo, Mina, Yamanaka, Masami, Nakanishi, Masanao, Mori, Fumihiko, Ishinazaka, Tsuyoshi, Sashika, Mariko, Tsubota, Toshio, Shimozuru, Michito
• Format: Journal Article
• Language: English
• Published: England John Wiley & Sons, Inc 01.05.2021; John Wiley and Sons Inc; Wiley
• Subjects: Animal behavior; Animal populations; Animal reproduction; Annual variations; Bears; body condition; Breeding success; brown bear; Carbohydrates; Climate change; Diet; Energy; Energy intake; Females; Food; Foraging behavior; Geographic information systems; Lipids; Longitudinal studies; National parks; Nutrient content; Nutrition research; nutritional status; Nuts; Offspring; Original Research; Proteins; Reproduction; Reproductive status; Salmon; Success; Summer; Torso; Ursus arctos; Wildlife; Wildlife conservation; Japan; nutritional status; brown bear; Ursus arctos; reproductive status; diet; body condition

Body condition in mammals fluctuates depending on energy intake and expenditure. For brown bears (Ursus arctos), high‐protein foods facilitate efficient mass gain, while lipids and carbohydrates play important roles in adjusting dietary protein content to optimal levels to maximize energy intake. On...