Dolphins lost in shallow waters

Talking about dolphins... a bunch of them got stranded in Manila... a fisherman helped them to get back to the open sea... I think the earth magnetic field has changed and that is why dolphins and whales seem to have been losing their way on the ocean.

http://www.telegraph.co.uk/news/worldnews/asia/philippines/4578581/Hundreds-of-lost-dolphins-saved-by-fishermen-in-the-Philippines.html