Their hands became similar to those of anteaters and other insect-eating mammals today, which have an enlarged finger with a pick-like claw to break open social insect nests.

他们手得类似于今天食蚁兽和他食虫哺乳动物手，它们手大了，带有类似镐爪子，可以打破群居昆虫巢穴。