They sometimes feed alone but usually gather in large groups.
They moved as if at work or gathered in little social groups.
They may gather in groups of up to 100 to feed.
"We have gathered the workers in small groups throughout the plant to fight the police."
Men gathered in groups of ten along the water's edge.
What's happened mostly is that they've gathered in groups of five or six.
The students gathered in groups to talk about the questions and write their answers.
The line stopped as the news spread, and we gathered together in small groups.
They had no common language, and children who could speak to each other tended to gather in groups.
"Every night they gather in groups to beat us up."
