They live in a large group.
In a small group if a group at all. Cats are very independent animals and like to fight for themselfs rather than share.
large and small
That describes a concerto.
A collective noun for a group of stars is a cluster of stars (small group) and a galaxy of stars (large group).
Sampling. just did that today in science.
Yeomen
Yeoman
In the U.K. a small group of trees is a 'copse', a slightly larger group is a 'woodland/woods'. and a very large group of trees is a 'forest'.
An adult anaconda will eat a piranha if it is a small group. A very large group would be too dangerous.
Flexibility, both of people and standards
Yeoman farmers.