Some dolphins migrate seasonally to warmer water, but other dolphin pods will remain within a home base without migrating. Scientists differentiate between coastal dolphins and off-shore dolphins. Coastal dolphins are more likely to migrate than off-shore dolphins, which scientists attribute to the coastal dolphin's smaller body needing warmer waters.Know More
Dolphins will migrate for warmer waters and to follow food sources. The migration patterns are seasonal, with coastal dolphins migrating from the Northern Atlantic coast to the Southern Atlantic coast in the winter.
In warmer coastal regions along Florida, Georgia, Texas and California, most dolphins create home bases and do not leave or stray from these areas. These dolphin communities may stretch over many miles, but the dolphins sense where the home base begins and ends.Learn more about Marine Life
Dolphins are equipped with blowholes on the crowns of their heads through which they breathe air when they reach the surface of the water. They are capable of holding their breath for up to 10 minutes.Full Answer >
Dolphins hear when the sounds in the water bounce off the dolphin's jaw bone into the middle ear. Dolphins can hear far better than humans and their hearing is even better than that of dogs.Full Answer >
In spite of the bottlenose dolphin's gentle appearance, All About Wildlife explains that these animals are in fact apex predators. While great white sharks, tiger sharks and bull sharks occasionally prey on young dolphins, bottlenose dolphins are known to attack and kill sharks. All About Wildlife states that bottlenose dolphins kill or injure sharks by using their snouts to ram the sharks' vulnerable gills.Full Answer >
Wild dolphins usually live for between 25 to 30 years, while dolphins in captivity live to be around 40 years old on average. Few dolphins in the wild die of old age.Full Answer >