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Bottlenose Dolphin

Tursiops truncatus

Average Size

Newborns: 34 inches-4 feet

Weight: 35-65 lb

Adults: 6-12 feet

Weight: 330-1435 lb

Status: Common

Population: Unknown

Threats: The things that threaten this dolphin include: hunting, tangling in fishing nets, pollution, human disturbance, and habitat destruction.

Other Names Used:

Gray Porpoise

Black Porpoise

Bottle-Nosed Dolphin

Atlantic Bottlenose Dolphin

Pacific Bottlenose Dolphin

Cowfish

Group Size: Groups of 1-10 are generally found inshore, while 1-25 animals are found offshore. As many as 500 may occur offshore as well.

Behavior: This delightful and intriguing creature is highly active at the surface. They frequently display lobtailing, bow-riding, wake-riding, body-surfing, riding pressure waves off of large whales, and breaching. They may be found swimming along with a variety of other cetaceans as well as with some sharks and sea turtles. These dolphins are very powerful swimmers. When they dive, their dives rarely last longer than 3 to 4 minutes. In some areas of the ocean, they will chase fish up onto the land and beach themselves. They will then eat the fish before sliding back down to the water to perform this sequence all over again. Groups of Bottlenose Dolphins may assist one another when they are in need. Sometimes these dolphins will cooperate with local fishermen and help drive fish into the nets to be caught. The fishermen will allow the dolphins to catch their fill first and then bring in the nets after the dolphins leave.

Where to look for Bottlenose Dolphins: They are widely distributed in cold temperate to tropical seas world wide.

Calves: The Female Bottlenose Dolphin may give birth to a calf every other year. Dolphin calves stay with their mother for about 6 years.

Diet: They eat fish and cephalopods (shelled animals) and occasionally crustaceans.

Habitat: Inshore and offshore waters

Other interesting facts:

Bottlenose Dolphins bellies range from light grey to pink.

Bottlenose Dolphins are the most widely known dolphin.

These dolphins may be the most agressive dolphin species in the wild.

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