A Hippo resting showing where an incisor has pierced the upper lip and now protrudes through a hole when not in use.
A Hippo resting showing where an incisor has pierced the upper lip and now protrudes through a hole when not in use.
Size: 5000px × 3333px
Location: Katavi National Park, Tanzania
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: adaptation, aggressive, agonistic, amphibious, ancodonta, aquatic, artyodactyla, bulls, canines, communication, copeophragy, daytime, declining, defecating, dentition, display, dominant, endemic, environment, evolution, family, fighting, glands, grazer, habitat, hairless, hippo, hippopotamus, hippotamidae, ikuu, incisors, jaw, katavi, lip, mammal, man, markers, molars, national, night-time, numbers, park, pierced, pink, placental, pools, posture, sebaceous, secretion, sensitive, skin, skull, social, solitary, sunburn, sweat, tanzania, thermoregulation, vegetarian, vertebrate, vocal, whippomorphia, wildlife, yawn
