verb (used with object), trundled, trundling. 1. to cause (a circular object) to roll along; roll. 2. to convey or move in a wagon, cart, or other wheeled vehicle; wheel: The farmer trundled his produce to market in a rickety wagon.
Hippos are threatened by habitat loss and poachers who hunt them for their meat and teeth. A male hippopotamus is called a âbullâ. A female hippopotamus is called a âcowâ. A baby hippo is called a âcalfâ. A group of hippos in known as a âherdâ, âpodâ, âdaleâ or âbloatâ. Hippos typically live for around 45 years. Hippos eat mostly grass.
More about hippos 1  : A hippo pregnancy lasts about eight months, and births usually take place during the rainy season. 2  The antibiotic properties of hippopotamus sweat are important to the health and survival of hippos. 3  Hippos like to graze at night and, on average, eat 88 pounds (40 kg) of vegetation each day.