Monday, July 30, 2007

Bottlenose dolphin fact sheet

The bottlenose dolphin is the most well-known of all the dolphins. They have a wide distribution throughout coastal and continental shelf waters in tropical and temperate zones.  Bottlenose dolphins are extremely social and often inquisitive animals. They can often be seen lobtailing, breaching, bowriding, and playing with fish, seaweed or other objects. Because of their social behaviour and adaptability they are often kept in captivity. There are currently three recognised species: common bottlenose dolphins (T. truncatus), Indo-Pacific bottlenose dolphins (T. aduncus) and Burrunan bottlenose dolphins (T.australis).

In the Azores, common bottlenose dolphins can be seen year round in the continental shelf waters. They usually form small groups of fewer than 20 individuals and can sometimes be seen with other species.

• Male: 3.8  4 m
• Female: 3.7 m
• Calf: 1.1 – 1.3 m

• Male: 650 kg
• Calf: 30 kg

Global population: c.600,000 (population trend unknown)

Status: Least Concern

Diet: Fish, squid, shrimp

Teeth: 72  108

Longevity: 25 – 40 years

Breeding age:
• Male: 10 yrs
• Female: 5 – 10 yrs

Gestation: 12 months

Nursing: 12 – 18 months

In other languages
Portuguese: Roaz
Spanish: Delfín mular
French: Grand dauphin
Italian: Tursiops
German: Großer Tümmler
Dutch: Tuimelaar
Swedish: Flasknosdelfin, öresvin
Norwegian: Tumler
Dansih: Øresvin
Finnish: Pullokuonodelfiini
Polish: Delfin botlunos
Russian: Bolshoi delfin, afalina

Bottlenose dolphin bowriding our zodiac boat during a swimming with dolphins trip

Swimming with bottlenose dolphins

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