The picture is an example of what causes dolphin deaths.
Drowned Hector's Dolphin Caught in Fishing Net (click here for information from WWF about Hector's Dolphin).
The world’s smallest, rarest dolphin (click here) lives in New Zealand. After the expansion of gill-netting in 1970, the population and range of Hector’s dolphin diminished rapidly. One extremely isolated subspecies, Maui’s dolphin, now numbers barely 100 individuals. Yet science has revealed that the species may yet recover, even from the brink of oblivion....
New Zealand values life and keeps close track of the species that live in and around New Zealand.
The Endangered Species Foundation (click here) has compiled a list of the New Zealand's Ten Most Endangered Species, ranked in order of those closest to becoming extinct. You can help to save the 'Rarest of the Rare', by becoming a Sponsor or Ambassador.