Add Yahoo as a preferred source to see more of our stories on Google. Guest Opinion. Altruism is helping without a benefit and sometimes at a risk to one’s self. Animals helping others of their own ...

Fishers in Brazil partner with Lahille’s bottlenose dolphins to catch mullet more efficiently. Dolphins herd fish and signal when to cast nets, benefiting both species. Collaborative fishing boosts ...

Bottlenose dolphins usually live in small to medium-sized groups in coastal and open-sea waters, but every once in a while, a dolphin might leave its pod behind, flock to coastal areas and approach ...