Because of the huge, exceptional tail joined to the Thresher Shark, this one is a quite a fast swimmer. The tail alone is said to weigh up to 700 pounds, and makes up 33 percent of the shark’s body weight.
A Beluga whale, a protected species usually found in cold Arctic waters, has been seen in France’s Seine river, with authorities urging people to keep their distance to avoid distressing the animal. Officials in the Eure department of Normandy said late Wednesday that images suggested it was a beluga separated from its pod, though they did not specify its size nor where exactly it was seen. An adult beluga can reach up to four metres (13 feet) in length, and while they ...