Elephants are the largest land mammals. They have large ears, long tusks, and a flexible trunk used for drinking, eating, and communication. Giraffes are the tallest land animals, with long necks and legs. They have a distinctive spotted coat and a long tongue that helps them eat leaves from high branches. Dogs are popular pets, coming in various breeds with different sizes and shapes. They have a keen sense of smell and good hearing. Cats are small, agile pets with retractable claws and a keen sense of smell. They are excellent hunters.