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 helps them to navigate their surroundings, locate objects and prey….

Is the vaquita a dolphin?

When you look at a vaquita (or any of its porpoise cousins), you might be forgiven for thinking that they might “just” be small dolphins. And while they are related,…