Reproduction
The age for mating depends on the location of the Bottlenose Dolphin. It can range from 5 to 13 years for females and from 9 to 14 years for the males. After mating, it takes a year for the young calf to be born. They will drink milk from the mother until they are from 18 to 20 months old. The mothers will take care of the young until they are several years old. Females often have new offspring every 3 to 6 years. Males have an average lifespan of 40 to 45 years and females have an average life of 50 years in the wild.
Conservation Status and Threats
There are plenty of factors out there that threaten the well-being of the Bottlenose Dolphin. Pollution is a huge problem as it can make them vulnerable to disease. Both chemical and noise pollution can be deadly to them due to the high stress levels and the ingestion of various chemical elements. There are efforts in place to help reduce boating activity and pollution in given locations. In the UK they are also part of the Biodiversity Action Plan which makes it illegal to harm them in any way.
(source:google/http://www.dolphins-world.com/)
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