More Articles . The size of Bottlenose Dolphins will vary according to the distribution of the individual, as well as markings and other physical characteristics. The bottle-shaped beak is shorter and slender in smaller dolphins while the larger they become, the broader it will become.
Body color varies from dark blue to brown-grey, fading to a paler grey along the flanks.
The underbelly is typically white, sometines with a pnik tint, and the tip of the snout is normally white. A few populations are spotted, or a dark grey, almost black. Bottlenose Dolphins can live to an estimated 30 years. 2000 EcoWorld , All Rights Reserved EcoWorld and EcoWorld Tours are registered Trademarks of EcoWorld Inc.