Class · Taxonomy

Mammalia

Every entry in this class is filed beneath it. Lineage is taken from each article’s cited taxonomy, not from a separate list.

Entries
10
Direct children
1
In subtaxa
10
Depth
3

Filed here

Entries under this taxon

10 entries
Two huskies resting together in the snow.
QuanShu 17 min

Canidae

Dog

The dog is the domesticated descendant of the gray wolf — the oldest companion species, reshaped by millennia of human selection into hundreds of breeds and spread across every human landscape.

A domestic cat standing in fresh snow.
QuanShu 5 min

Felidae

Cat

The domestic cat is a small, solitary hunter that chose the human settlement — and then the human sofa. Its story is one of the least intentional domestications in history.

A Eurasian gray wolf standing in natural habitat.
QuanShu 6 min

Canidae

Gray Wolf

The gray wolf is the largest wild canid, a pack-hunting carnivore of the Northern Hemisphere whose range and reputation have been reshaped by people.

A female southern African wildcat, a captive specimen.
QuanShu 6 min

Felidae

African Wildcat

The African wildcat is the small, tabby-striped ancestor of the domestic cat, widespread across Africa and southwestern Asia but increasingly diluted by hybridization.

A yellow Labrador Retriever outdoors on the Quantock Hills.
QuanShu 6 min

Dog breeds

Labrador Retriever

The Labrador Retriever is a medium-to-large gundog from the North Atlantic, bred to retrieve in cold water and ranked among the most popular breeds in the United States and Britain.

A German Shepherd Dog standing outdoors.
QuanShu 6 min

Dog breeds

German Shepherd Dog

The German Shepherd Dog is a large herding breed from Germany, built for work and prized for its trainability — and it needs a job to stay sound in body and mind.

A black-and-white Border Collie at four years old.
QuanShu 6 min

Dog breeds

Border Collie

The Border Collie is the sheepdog of the Anglo-Scottish border: an intense, biddable herder whose working and show lines have diverged, and whose exercise and health needs are often underestimated.

A male Maine Coon cat with a full coat.
QuanShu 5 min

Cat breeds

Maine Coon

The Maine Coon is New England's native longhair: a large, slow-maturing cat with a shaggy coat, a sociable temperament, and inherited heart and joint conditions that breeders screen for.

A Siamese cat with pointed coat and blue eyes.
QuanShu 5 min

Cat breeds

Siamese cat

A pointed, blue-eyed cat from Thailand, bred to a long wedge and a loud voice — and shaped by a small set of inherited risks that breeders now test for.

A longhaired Persian cat resting indoors.
QuanShu 6 min

Cat breeds

Persian cat

The long-coated, flat-faced cat of the drawing room: an old breed whose extreme type has put breathing, eyes and breeding at the center of a modern welfare debate.