Dolphins and Whales News
May 19, 2019

Top Headlines

Paleontologists are looking into the evolutionary origins of the whistles and squeaks that dolphins and porpoises make -- ... read more
Scientists have studied potential cancer suppression mechanisms in cetaceans, the mammalian group that includes whales, dolphins and porpoises. Biologists picked apart the ... read more
Cetaceans, the group including whales and dolphins, originated in south Asia more than 50 million years ago from a small, ... read more
An unprecedented marine heatwave had long-lasting negative impacts on both survival and birth rates on the iconic dolphin population in Shark Bay, Western Australia. ... read more
Latest Headlines
updated 4:22am EDT

Earlier Headlines

Piece to the Puzzle of Baleen Whales' Evolution

A researcher has added another piece to the puzzle of the evolution of modern baleen whales with a new study examining the teeth and enamel of baleen whales' ... read more

Penguins, Starfish, Whales: Which Animals Will Win and Lose in a Warming Antarctic?

Using risk assessments, like those used for setting occupational safety limits in the workplace, researchers determined the winners and losers of climate change in the Antarctic. They show that ... read more

Ocean Giant Gets a Health Check: Combination Blood, Tissue Test Reveals Whale Shark Diets

Whale sharks, the world's largest fish, likely endure periods of starvation and may eat more plants than previously thought, according to the first results of a new health check. Ocean ... read more

Far-Ranging Fin Whales Find Year-Round Residence in Gulf of California

Researchers from Mexico and the United States have concluded that a population of fin whales in the rich Gulf of California ecosystem may live there year-round -- an unusual circumstance for a whale ... read more

15-Meter-Long Ancient Whale Basilosaurus Isis Was Top Marine Predator

The stomach contents of ancient whale Basilosaurus isis suggest it was an apex predator, according to a new ... read more

Giant Singers from Neighboring Oceans Share Song Parts Over Time

Singing humpback whales from different ocean basins seem to be picking up musical ideas from afar, and incorporating these new phrases and themes into the latest song, according to a newly published ... read more

Groups of Pilot Whales Have Their Own Dialects

A new study has found that short-finned pilot whales living off the coast of Hawai'i have their own sorts of vocal dialects, a discovery that may help researchers understand the whales' ... read more

Mammalian Keratin Genes and Adaptation to Living on Land or Sea

Scientists have performed one of the largest comparative genomic studies to help determine the key molecular and evolutionary origins of mammalian adaptations seen in skin ... read more

Whales Lost Their Teeth Before Evolving Hair-Like Baleen in Their Mouths

Rivaling the evolution of feathers in dinosaurs, one of the most extraordinary transformations in the history of life was the evolution of baleen -- rows of flexible hair-like plates that blue ... read more

Whale Songs' Changing Pitch May Be Response to Population, Climate Changes

Blue whales have been dropping pitch incrementally over several decades, but the cause has remained a mystery. A new study finds a seasonal variation in the whales' pitch correlated with ... read more

A Bigger Nose, a Bigger Bang: Size Matters for Ecoholocating Toothed Whales

A new study sheds light on how toothed whales adapted their sonar abilities to occupy different environments. The study shows that as animals grew bigger, they were able to put more energy into their ... read more

Humpback Whales Come to the Mediterranean to Feed Themselves

Although the presence of humpback whales in the Mediterranean has been considered unusual, it is known that their visits have increased in the last 150 years. A recent study indicates that what ... read more

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 ... read more

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 ... read more

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 ... read more

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 ... read more

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 ... read more

Watching Whales from Space

Scientists have used detailed high-resolution satellite images to detect, count and describe four different species of whales. The research is a big step towards developing a cost-effective method to ... read more

Biologists Gain New Insights Into Surface, Acoustic Behaviors of Endangered Right Whales

In response to the dwindling number of North Atlantic right whales, researchers have conducted a major study of the surface and acoustic behaviors of right whale mother-calf pairs. The team ... read more

Male Humpback Whales Change Their Songs When Human Noise Is Present

Male humpback whales reduce or cease their songs in reaction to human-generated shipping noise, according to a new ... read more

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