Activity and Pool Use in Relation to Temperature and Water Changes in Zoo Hippopotamuses (Hippopotamus amphibious)
In the wild, hippopotamuses spend much of their daily activity in the water. In zoos, it is less clear the extent to which hippos spend time in the water. We examined how much time Woodland Park Zoo’s three hippos spent in their outdoor pool, based on: (a) temperature of the pool water, and (b) when […]
First documentation of flehmen in a common hippopotamus (Hippopotamus amphibius)
Abstract 10.1002/(SICI)1098-2361(1999)18:53.3.CO;2-Q A male common hippopotamus (Hippopotamus amphibius) was observed giving a flehmen grimace on 14 occasions in July and August of 1998 at the Denver Zoo. Twelve instances of flehmen occurred after anogenital investigation of the female as she was exiting the pool. The two other instances of flehmen occurred in the terrestrial portion […]