Relative to body size, spectacled bears have the largest zygomaticomandibularis muscle of any bear species, an adaptation for their primarily herbivorous diet.
Relative to their body size, spectacled bears have the largest zygomaticomandibularis muscle of any bear species.
This musculature feature, along with the blunt lophs of the cheek teeth, are adaptations for their primarily herbivorous diet.
• Image | © Tambako The Jaguar, Some Rights Reserved, (CC BY-ND 2.0)
• Sources | (Fenner, 2012; Kattan, et al., 2004; Nowak, 1999; Servheen, Herrero, & Peyton, 1999)
