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Bats, Whales, and Bio-Sonar: New Findings About Whales’ Foraging Behavior Reveal Surprising Evolutionary Convergence
May 8, 2012 — Though they evolved separately over millions of years in different worlds of darkness, bats and toothed whales use surprisingly similar acoustic behavior to locate, track, and capture prey using ... > full story -
Dolphin Speaker to Enhance Study of Dolphin Vocalizations and Acoustics
May 8, 2012 — To gain new insights into how dolphins communicate, researchers in Japan created a prototype of an extremely broadband “dolphin speaker” capable of projecting dolphins’ ... > full story -
Built-in Ear Plugs: Whales May Turn Down Their Hearing Sensitivity When Warned of an Impending Loud Noise
May 8, 2012 — Toothed whales navigate through sometimes dark and murky waters by emitting clicks and then interpreting the pattern of sound that bounces back. The animals’ hearing can pick up faint echoes, ... > full story -
Understanding of Hearing in Baleen Whales Amplified
April 17, 2012 — For decades, scientists have known that dolphins and other toothed whales have specialized fats associated with their jaws, which efficiently convey sound waves from the ocean to their ears. But ... > full story -
How to Make High-End Perfumes Without Whale Barf
April 5, 2012 — Researchers have identified a gene in balsam fir trees that could facilitate cheaper and more sustainable production of plant-based fixatives and scents used in the fragrance industry and reduce the ... > full story -
Dolphins Cultivate Loose Alliances
March 29, 2012 — Dolphins behave uniquely. On the one hand, male dolphins form alliances with others; on the other hand, they live in an open social structure. Anthropologists from the University of Zurich detected ... > full story -
Size Matters: Large Marine Protected Areas Work for Dolphins
March 27, 2012 — Ecologists in New Zealand have shown for the first time that Marine Protected Areas – long advocated as a way of protecting threatened marine mammals – actually work. Their study, based ... > full story -
Some Gulf Dolphins Severely Ill After Gulf Oil Spill
March 26, 2012 — Bottlenose dolphins in Barataria Bay, Louisiana, are showing signs of severe ill health, according to marine mammal biologists. Barataria Bay, located in the northern Gulf of Mexico, received heavy ... > full story -
False Killer Whales Use Acoustic Squint to Target Prey
March 22, 2012 — Toothed whales and dolphins are remarkable accurate hunters, considering that they locate prey using echolocation alone, so how do they pull this off? Biologists tested the echolocation skills of a ... > full story -
Increase in Arctic Shipping Is Risk to Marine Mammals
March 16, 2012 — A rapid increase in shipping in the formerly ice-choked waterways of the Arctic poses a significant increase in risk to the region’s marine mammals and the local communities that rely on them ... > full story
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