Wolves and domestic dogs are related, but dogs have been selectively bred for various purposes.
Rabbits and hares differ in size, life history, and habitat preference, with rabbits being smaller and having shorter ears.
Hamsters are primarily solitary and nocturnal animals, skilled at digging burrows with multiple chambers for various activities.
Domestic cats share traits with wild felids, being carnivorous, agile, and finely designed for hunting.
Guinea pigs, despite their name, are not from Guinea and are domesticated rodents originating from South America.
The Crying out Tree Frog in Australia was thought to be one species but is now recognized as three distinct species.
Fish encompass a diverse group of vertebrates, including jawless lampreys, sharks, and bony fishes, with shared characteristics.
Birds are warm-blooded vertebrates with four-chambered hearts, wings, hard-shelled eggs, acute vision, and reptilian ancestry.