The Porpoise is a group of marine mammals that are closely related to dolphins. Researchers place them in their own family, the Phocoenidae family.
Researchers...
Extinction is an unpleasant fact for every species on the planet. Given enough time, every species – including humans – will eventually die off.
But...
The world's smallest porpoise is also the rarest marine mammal on Earth. This diminutive animal is a critically endangered species of cetacean, a taxonomic...