Dead dolphins again wash up on shores of Bulgaria’s Black Sea coast

Summer 2015 is again seeing numbers of dead dolphins washing up on the shore of Bulgaria’s Black Sea coastline, with violence suspected as the cause of death in some cases, but as in all previous years, there is no clarity on what causes the phenomenon.

Japan buries more dolphins after mass beaching. There was also a mass stranding on a remote New Zealand beach on February 20

Japanese officials were burying several more dolphins on Monday as researchers tried to work out why scores of the animals beached themselves last week.