The noun 'rhinoceri' is a slang term for 'rhinoceros' used for humor as a play on the many confusing forms of plural nouns in English.
The standard collective nouns for rhinoceroses are:
The standard collective nouns for a group of rhinos are:a crash of rhinosa stubbornness of rhinos
A group of sentences is called a paragraph
A group of spectators are called an audience.
a group of workmen is called a gang!
A group of caterpillars is called an army of caterpillars.
Rhinoceri
A herd of Rhinoceri.
The standard collective nouns for a group of rhinos are:a crash of rhinosa stubbornness of rhinos
The collective nouns are a herd, a stubbornness, or a crash of rhinoceroses.
A group of Dolphins are called a Pod
A group of dolphins is called a pod. If that is your question.
A group of hens is called a brood.
a group of Blackbirds is called a murder
A group of martens is called a "richness."
A group of grouse is called a "pack".
The -OH group is called the hydroxyl group
A group of sentences is called a paragraph