Over 12,000 humpback whales migrate every winter from the frigid surroundings of Alaska into the waters of Hawaii.

Recent declines in North Pacific humpback whale reproduction and survival of calves highlight an urgent need to understand how mother-calf pairs expend energy across their migratory cycle.

The current population has rebounded to nearly 80,000 humpback whales, up from a low point of 10,000 to 15,000. Commercial whaling reduced North Pacific’s humpback whale numbers to a few ...

Humpback whales typically return to specific breeding ... For example, one of the humpback populations in the North Pacific migrates to feed in waters around Alaska during the summer and spends ...

“Our humpback whale health database, comprising 11,000 measurements of 8,500 individual whales in the North Pacific, is being used across several projects within the Marine Mammal Research ...

Koala and Curlew are unrelated and possibly pregnant females that have become traveling companions, which is unusual for ...

Their analysis — which involved examining genetic data and 25 years’ worth of photos — revealed that just 7% of male humpbacks showed evidence of having sired offspring. Further, males who sired at ...

Most male humpback whales in a Pacific Ocean population do not have offspring — and bad singing might be to blame, new research reveals. Scientists recently conducted a paternity analysis of a ...