They weren't bigger than the animals they took down a lot of the time, they weren't faster than the animals they took down a lot of the time, but they were much better at banding together into groups and cooperating.
Они были не больше животных, которых они тогда убивали, не быстрее животных, которых они убивали, но они намного лучше сплачивались в группы и взаимодействовали.