Crop (anatomy) Crop (anatomy) A crop (sometimes also called a croup or a craw, or ingluvies) is a thin-walled expanded portion of the alimentary tract used for the storage of food prior to digestion. This anatomical structure is found in a wide variety of animals. It has been found in birds, and in invertebrate animals including gastropods (snails and slugs), earthworms, leeches, and insects. Cropping is used by bees to temporarily store nectar of flowers. When bees "suck" nectar, it is stored in their crops. In a bird's digestive system, the crop is an expanded, muscular pouch near the gullet or throat.
Human uses of birds to mimic speech. Among reasons for their popularity is that they can be kept in homes too small or otherwise unsuitable for dogs or cats. The cagebird trade in some parts of the world threatens certain species with extinction, when birds are illegally captured in the wild. For example, in Indonesia, at least 13 species are close to extinction including the Indonesian national bird, the Javan hawk-eagle, while five subspecies including the scarlet-breasted lorikeet may have become extinct in the wild. Pet birds are kept in their millions, as are domestic fowls, bantams, and pigeons. These last had an important