1. Colony: A group of penguins or seabirds nesting together.
2. Coven: A group of witches.
3. Parliament: A group of owls.
4. Committee: A group of people appointed or elected to perform a specific function or task.
5. Congregation: A group of people assembled for religious worship.
6. Squad: A small group of people working together, typically in a military or law enforcement context.
7. Team: A group of individuals working together to achieve a common goal.
8. Gang: A group of people, often involved in criminal activities.
9. Band: A group of musicians playing together.
10. Choir: A group of singers performing together.