Beluga

The snow-white Beluga whale (Delphinapterus leucas) is one of the most distinctive of all cetaceans The stocky body ends in a particularly small head, and adults develop their striking white colouring as they mature. beluga whales have an extremely flexible neck and can turn their head almost 90 degrees to the side. Their lips are also flexible and can form a variety of facial expressions. They have a very thick layer of blubber which may be up to 15 centimetres thick that provides insulation in the freezing arctic waters. Beluga whales use a wide range of vocalisations such as clicks, grunts, squeals, screeches and whistles