How do porpoises use sound?
Porpoises, like all toothed whales (odontocetes) use sound for echolocation and communication. Echolocation allows porpoises to "see" with sound. It…
Porpoises, like all toothed whales (odontocetes) use sound for echolocation and communication. Echolocation allows porpoises to "see" with sound. It…
Many contaminants are lipophilic, meaning that they dissolve in fats (lipids). Porpoises have blubber, a thick layer of fat underneath…
Porpoises maintain mental maps, a mental image of their surroundings, which also includes the topography of the ocean floor. They…
Porpoises are generally smaller than dolphins. With the exception of the finless porpoise, they have a triangular dorsal fin (whereas…
Porpoises are enigmatic little creatures. We know very little about them as they spend most of their lives underneath the…
In Japan, thousands of Dall's porpoise are killed in directed hunts every year. The animals are killed for consumption. As…
Accidental by-catch in fishing nets is estimated to kill 300,000 whales, dolphins and porpoises every year. Porpoises are air-breathing mammals,…