Spinner dolphins have up to 240 teeth ... Dolphins usually give birth to only one calf at a time. Dolphin pregnancies last between 10 and 18 months, depending on the species.

Some dolphin species live in freshwater rivers, like the Amazon. Despite their name, killer whales (orcas) are actually dolphins. As part of the "toothed whale" group of animals, all dolphins have ...

He was 21 years old. Our staff and volunteers are saddened to share the loss of Spinnaker, our male Pacific white-sided dolphin. Spin will be missed by all.