World’s Smallest Porpoise Is on the Verge of Extinction

ENVIRONMENT Vaquitas’ numbers have dropped precipitously because of illegal gillnet fishing. (Nat Geo News) Use our resources to learn a little about porpoises. Discussion Ideas The short Nat Geo News article attributes the dwindling population of vaquitas to illegal gillnet fishing. What are gillnets? According to the good folks at the Safina Center, “a gillnet is a large net wall that hangs vertically in the … Continue reading World’s Smallest Porpoise Is on the Verge of Extinction

The Porpoise of Echolocation

SCIENCE Researchers have revealed how porpoises finely adjust the beams of sound they use to hunt. (BBC) Use our resources to learn more about porpoises and dolphins here. Teachers, scroll down for a quick list of key resources in our Teachers’ Toolkit. Discussion Ideas Researchers profiled in the BBC article studied the way porpoises use echolocation to hunt fish. What is echolocation? Echolocation is the … Continue reading The Porpoise of Echolocation