Hippos rest during the day in relative tranquility most of the time. Though outbreaks of loud calls and threat displays punctuate the peace

---

Hippos rest during the day in relative tranquility most of the time. Though outbreaks of loud calls and threat displays puinctuate the peace of the resting pod.

---

Size: 5000px × 3333px
Location: Queen Elizabeth National Park, Uganda
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: adaptation, africa, aggressive, agonistic, amphibious, ancodonta, aquatic, artyodactyla, bull, canines, channel, communication, daytime, declining, dentition, dominant, elizabeth, endemic, environment, evolution, family, fighting, glands, grazer, habitat, hairless, hippo, hippopotamus, hippotamidae, incisors, jaw, kazinga, mammal, man, markers, melanin, molars, national, night-time, numbers, park, pink, placental, posture, queen, sebaceous, secretion, sensitive, skin, skull, social, solitary, sunburn, sweat, thermoregulation, uganda, vegetarian, vertebrate, vocal, whippomorphia, wildlife