The domesticated ducks are ducks that are raised for meat, eggs and down. Many ducks are also kept for show, as pets, or for their ornamental value. Almost all of the varieties of domesticated ducks are descended from the mallard (Anas platyrhynchos), apart from the Muscovy duck. Domesticated ducks can be kept as pets, in a garden or backyard, and with special accessories, have also been known to be kept in the house. They will often eat insects and slugs. A pond or deep water dish is recommended. Without access to plentiful water, ducks will not thrive. If they are given access to a pond, they will dabble in the mud, dredging out and eating wildlife and frog spawn, and swallow adult frogs and toads up to the size of the British common frog Rana temporaria, as they have been bred to be much bigger than wild ducks, with a hull length (base of neck to base of tail) of up to 1 foot (30 cm) or more; the wild mallard's hull length is about 6 inches (15 cm). A coop should be provided for shelter from predators such as foxes, hawks, coyotes, and raccoons, as many breeds of domestic ducks cannot fly.

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