They are ideal for small dogs, puppies, cats, rabbits, large fish or turtles. Bird scales are used to determine the weight of parrots, pigeons and many other bird species. They consist of precision scales with an integrated perch. Horse scales are used in horse clinics, but can also be found at studs and in riding clubs. Rabbit scales are obviously particularly popular with rabbit breeders, who might however use baby scales to weigh their animals.