any numbers between 5 and 30
The collective nouns are a bloat of hippos, a crash of hippos, or a herd of hippos.
A Herd of Hippos
Herd or bloat
I don't think a herd of hippos excist. Edit: are you kidding? The only thing here that doesn't exist is the word "excist". You can get up to around 30 Hippopotammus' in a Herd, more commonly but not solely referred to in the Hippo's case as a Pod. As well as Pod or Herd, Dale or Bloat are often used .
A herd of 40 Hipos
Yes, its called a herd or a bloat or a crash
Do hippos live in the ocean?
Hippos do NOT live in the rainforest they live in Africa.
about 750,000 to 425,000
All hippos live in Africa. Common hippos live near water sources and pygmy hippos live in jungles.
nothing and no one live with hippos except their babies
A group of hippos is sometimes called a bloat, pod, or siege.