The presence of microplastics in ocean animals suggests that they can travel out of the digestive tract and lodge in the tissues.
Lesions may reflect decreases in southern resident killer whales’ ability to fight disease, according to new research.
Orcas appear to be imitating the behaviour of one in particular by damaging sailboat rudders.
Humpback whales sing louder around noisy wind, but not noisy boats. The discovery could have consequences for their breeding and behavior.
The largest animals ever owe their size to feeding on the tiniest creatures in the sea, but their survival requires a minimum body size.
Two populations of orcas in the Pacific Northwest and British Columbia are faring very differently. The way they hunt may be a factor.
For male humpback whales, singing may no longer be in vogue when it comes to seduction, researchers report.
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