Changes in water temperature that alter the movement of prey fish.
In some cases, wild dolphins have been known to drive schools of fish toward the shore, signaling to local fishermen to cast their nets. The dolphins then feed on the fish that escape or are stirred up by the nets. This is not a trained behavior but a learned, multi-generational partnership. The "curiosity" lies in the evolution of this trust; it challenges the traditional view of wild animals as purely instinct-driven and separate from human society. Ecological Fragility The Curious Case of Dolphin Bay
The impact of sonar and shipping noise on dolphin navigation. Changes in water temperature that alter the movement