Dolphins live and hunt in large social groups called pods, and they communicate with each other using high-pitched clicks and ...

Long-term data on Indo-Pacific bottlenose dolphins in the Adelaide Dolphin Sanctuary show a population decline from 2012 to 2020, though sightings stabilized from 2021 to 2024.

Large-scale sand extraction disrupts river ecosystems by altering water flow and destroying the dolphins’ habitat and food sources, such as small fish. Mechanized sand mining further exacerbates ...

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around ...