The Blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. It is the largest animal known to have ever existed. The Blue whale was once abundant in nearly all the Earth's oceans until the end of the 19th century. It was hunted...
The Killer whale (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family. It is the largest member of this family. The sophisticated hunting techniques and vocal behaviors of Killer whales have been described as manifestations of...
The Sperm whale or cachalot (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the...
The Red fox (Vulpes vulpes) is the largest of the true foxes and one of the most widely distributed members of the order Carnivora, being present across the entire Northern Hemisphere. Its range has increased alongside human expansion, having been...
The Beluga whale (Delphinapterus leucas) is a cetacean adapted to life in the Arctic, with anatomical and physiological characteristics that differentiate it from other cetaceans. Amongst these are its all-white color and the absence of a dorsal...
The Humpback whale (Megaptera novaeangliae) is a species of baleen whale. It is a rorqual; a member of the family Balaenopteridae. The Humpback whale is known for breaching and other distinctive surface behaviors, making it popular with whale...
The Arctic fox (Vulpes lagopus) is a small fox native to the Arctic regions of the Northern Hemisphere and common throughout the Arctic tundra biome. It is well adapted to living in cold environments and is best known for its thick, warm fur that is...
One of the most abundant and widespread mammals around the globe, the House mouse (Mus musculus) is found in almost any part of the world (except Antarctica) due to human travel. This rodent originated in Iran, Afghanistan, Pakistan, and northern...
The Fin whale (Balaenoptera physalus) is a cetacean belonging to the parvorder of baleen whales. It is the second-longest species of cetacean on Earth after the Blue whale. American naturalist Roy Chapman Andrews called the fin whale "the greyhound...
The Harbor seal (Phoca vitulina) is a true seal that lives along temperate and Arctic marine coastlines of the Northern Hemisphere. It is the most widely distributed species of pinniped (walruses, eared seals, and true seals). Harbor seals like to...
The Harp Seal (Pagophilus groenlandicus) is a species of earless seal, or true seal, native to the northernmost Atlantic Ocean and Arctic Ocean. In Greek, its scientific name translates to "ice-lover from Greenland," and its taxonomic synonym, Phoca...
The Gray seal (Halichoerus grypus) is found on both shores of the North Atlantic Ocean. In Latin Halichoerus grypus means "hook-nosed sea pig". It is a large seal of the family Phocidae, which are commonly referred to as "true seals" or "earless...
The Sei whale (Balaenoptera borealis) is a baleen whale, the third-largest rorqual after the Blue whale and the Fin whale. It inhabits most oceans and adjoining seas and prefers deep offshore waters. The whale's name comes from the Norwegian word...
The Harbour porpoise (Phocoena phocoena) is one of eight extant species of porpoise. It is one of the smallest species of cetacean. As its name implies, it stays close to coastal areas or river estuaries, and as such, is the most familiar porpoise...
The Wood mouse (Apodemus sylvaticus) is a murid rodent native to Europe and northwestern Africa. It is found across most of Europe and is a very common and widespread species, is commensal with people, and is sometimes considered a pest. The Wood...
The Ringed seal (Pusa hispida) is a small earless seal that lives in the Arctic and sub-Arctic regions. It is the most abundant and wide-ranging ice seal in the Northern Hemisphere. Ringed seals are one of the primary prey of Polar bears and Killer...
The Hooded seal (Cystophora cristata) is a large phocid found only in the central and western North Atlantic. Hooded seal pups are known as "blue-backs" because their coats are blue-grey on the back with whitish bellies, though this coat is shed...
Long-finned pilot whales (Globicephala melas) are large oceanic dolphins. Pilot whales get their name from the original belief that there was a "pilot" or lead individual in their groups. They have also earned the nickname of "pothead whale" in some...
Bearded seals (Erignathus barbatus) are known as ‘ice seals’. They are members of a group of four Arctic seal species that live in Alaskan waters and use sea ice for feeding, resting, and pupping. Bearded seals get their generic name from two Greek...
The northern bottlenose whale (Hyperoodon ampullatus ) is a species of beaked whale in the ziphiid family, being one of two members of the genus Hyperoodon. The northern bottlenose whale was hunted heavily by Norway and Britain in the 19th and early...
The Atlantic white-sided dolphin (Lagenorhynchus acutus ) is a distinctively coloured dolphin found in the cool to temperate waters of the North Atlantic Ocean.
The white-beaked dolphin (Lagenorhynchus albirostris ) is a marine mammal belonging to the family Delphinidae (oceanic dolphins) in the suborder Odontoceti (toothed whales).
Sowerby's beaked whale (Mesoplodon bidens ), also known as the North Atlantic or North Sea beaked whale, is a species of toothed whale. It was the first mesoplodont whale to be described. James Sowerby, an English naturalist and artist, first...
