All rights reserved. A bottlenose dolphin, with an S-shaped spinal deformity, is seen here rubbing against a sperm whale. In , behavioral ecologists Alexander Wilson and Jens Krause of the Leibniz-Institute of Freshwater Ecology and Inland Fisheries in Germany were surprised to discover that a group of sperm whales Physeter macrocephalus —animals not usually known for forging bonds with other species—had taken in an adult bottlenose dolphin Tursiops truncatus. The researchers observed the group in the ocean surrounding the Azores map —about 1, miles 1, kilometers off the coast of Lisbon, Portugal —for eight days as the dolphin traveled, foraged, and played with both the adult whales and their calves. When the dolphin rubbed its body against the whales, they would sometimes return the gesture. Among terrestrial animals, cross-species interactions are not uncommon.
Get to Know Sperm Whales
Whales dolphins Mediterranean: 8 species live in the Pelagos Sanctuary
Whales and dolphins are some of the most remarkable creatures to be found on the planet. They not only represent some of the largest, but also have within their number the most ambitious commuters and deepest divers in the world. Here are some of the records they hold! The blue whale is not only the biggest whale living today; the blue whale is the biggest creature ever to have lived on Earth.
observations & statistics
Jump to navigation. According to one estimate, more than , of these animals are killed every year in the world's fisheries, drowning in nets set for fish, snagged on hooks, or starving after getting entangled in abandoned fishing gear. In California, for instance, the drift and set gillnet industries discard over 60 percent of all the animals they catch. Gillnets more than a mile long are so dangerous to marine wildlife that the United Nations has banned their use on the high seas.
Cruising speed: Normal cruising speed is 3 to 9 mph. When they put their Speedy Gonzales pantaloons on, they can swim approximately 22 to 28 mph, and can maintain this speed for about an hour. Ahoy mateys! In an effort to better discover which resident of the ocean was the most rad sauce looking creature under the sea, we randomly sent a survey to all marine wildlife in the deep blue.