1. Flock: A group of birds, especially when feeding, flying, or gathered together.
2. Herd: A large group of animals, especially hoofed mammals, that live, feed, or move together.
3. Swarm: A large number of insects or other small organisms moving together.
4. Pack: A group of animals, especially wild dogs or wolves, that live, hunt, or travel together.
5. Colony: A group of animals, such as bees or ants, that live together in organized communities.
6. Pod: A group of marine mammals, such as dolphins or whales, swimming or feeding together.
7. School: A group of fish swimming together.
8. Pride: A group of lions.
9. Troop: A group of primates, such as monkeys or baboons, that move or live together.
10. Army: A large group of ants or other small insects.