No dorsal fin. V-shaped blow. Almost extinct. Right Whale Day brings a rare species into focus — before it’s too late.

What is known is that they have a relatively stable supply of deep-swimming cartilaginous fish — such as sharks or rays — ...

Galway PhD student Seán O’Callaghan develops a novel method for identifying sperm whales using aerial photographs.

A vibrant ecosystem, teeming with seals, whales, seabirds, and fish of all sizes, thrives at the meeting point of the ...

“They’re dark in color, they don’t have a dorsal fin, and they like to swim ... making reproduction chances slim for the species. These two whales have been named Koala and Curlew, ages ...

The fins belonged to Bryde’s whales, a species that is rarely seen in Thailand ... They have a characteristically small dorsal fin and 40 to 50 grooves in their throat that expand when feeding ...