Fishermen release baby dolphin snared in a net before its overjoyed mother 'thanks' them with a series of spectacular jumps off Italian island

A mother dolphin 'thanked' a group of fishermen for rescuing her baby after it became tangled in a fishing net.

The video captures the heartwarming moment the fishermen released the trapped animal from the netting off the island of Procida, Naples, Italy.

Footage shows the mother jumping with delight as her calf is set free and she puts on a display of spectacular dives to 'thank' them.