Scores of Dolphin Deaths Have Scientists Baffled - 1
Published 10 Jan 2018, 11:53 GMT

Great white sharks ply the waters near Australia’s South Neptune Islands.
Photograph by Brian Skerry, National Geographic
Large pelagic fish, oceanic whitetip sharks swim in the waters off Cat Island in the Bahamas.
Photograph by Brian Skerry, National Geographic
A neonate tiger shark pup, approximately six days old, is being studied in captivity at the Hawaii Institute of Marine Biology on Oahu.
Photograph by Brian Skerry, National Geographic
Shortfin mako sharks produce pups in the summer and autumn off the coast of San Diego, California.
Photograph by Brian Skerry, National Geographic
Oceanic whitetip sharks swarm the waters off Cat Island.
Photograph by Brian Skerry, National Geographic
A great white shark attacks a seal decoy off Chatham, Massachusetts, during a scientific study into feeding patterns.
Photograph by Brian Skerry, National Geographic
This extreme close-up reveals the inside of a tiger shark’s mouth.
Photograph by Brian Skerry, National Geographic
A great white shark hunts near the North Neptune Islands, Australia.
Photograph by Brian Skerry, National Geographic
Oceanic whitetips are considered the fourth most dangerous sharks for people.
Photograph by Brian Skerry, National Geographic
A great white shark chases a seal decoy off Cape Cod during a study. Great whites have been booming in the area, thanks to a resurgence of their favourite prey: grey seals.
Photograph by Brian Skerry, National Geographic
Great white sharks swim off the South Neptune Islands.
Photograph by Brian Skerry, National Geographic
The mako is one of the fastest fish in the sea, swimming in bursts of 55 miles an hour. Its body also generates its own heat.
Photograph by Brian Skerry, National Geographic
A shortfin mako swims off New Zealand’s North Island.
Photograph by Brian Skerry, National Geographic
Grey seals frequent the sandy beaches of Cape Cod, drawing hungry great white sharks.
Photograph by Brian Skerry, National Geographic