What is a gaggle? You probably know that it is a group of geese. Gaggle is a collective noun because it names a group. Many collective nouns name groups of animals. For example, a string is a group of ponies, and a troop is a group of kangaroos. What is a knot? If you’re talking about toads, then a knot is a group of them. Have you ever found foxes together? Then you saw a skulk. And if a group of elk crosses in front of you, you’re looking at a gang.
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Meanings of collective nouns
A knot is a group of toads.
Names for different animals
How to use collective nouns