General information on the Dolphin/Purpoise
An unique characteristic of the dolphin is that it is capable of turning its head 180 degrees due to a fused vertebrae in the neck. Blood capillaries near the skin gives the mammal its pink appearance.
Causes for endangerment
The general reasons of the endangerment of the common purpoise are the same of many sea creatures whom face a clash with fishermen, they get caught in fishing nets, the unintended catch, the spectator to the decline of fish stocks- this time they are the stock. Other known causes of endangerment are black market trading and chinese remedies.
Article by RHN.