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Dolphins and Whales News -- ScienceDaily

Killer whales share personality traits with humans, chimpanzees - Killer whales display personality traits similar to those of humans and chimpanzees, such as playfulness, cheerfulness and affection, according to new research.
Protecting adult female north atlantic right whales from injury and death key to recovery - Why is the endangered western North Atlantic right whale population growing far more slowly than those of southern right whales, a sister species also recovering from near extinction by commercial whaling?  Researchers looked more closely at the question and have concluded that preserving the lives of adult females in the population is by far the most effective way to promote population growth and recovery.
Bats vs. Dolphins: Ultimate battle of sonar systems - To find ways to improve human-made active sensing, scientists worldwide study the sonar systems of bats and dolphins.
Orcasound: A citizen science tool for whale research - Computer algorithms are playing a growing role in analyzing hydrophone audio data when monitoring marine life, but human listeners can complement and enhance these algorithms. A project known as Orcasound has produced a web application that will enable citizen scientists to listen to livestreaming audio from hydrophones near the San Juan Islands.
First study of humpback whale survivors of orca attacks in the Southeastern Pacific - Scars left by orca attacks indicate that most victims are young whales on the first trip from breeding to feeding grounds. Increasing numbers of scars may mean that there are more orcas in the Southern Pacific, researchers say.