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Budgerigar (Melopsittacus undulatus), a popular parakeet.—Bruce Coleman Ltd.
Any of 115 species in 30 genera (subfamily Psittacinae) of small, slender seed-eating parrots with a long, tapering tail. Parakeets are found worldwide in warm regions. They typically form large flocks. Most species lay four to eight eggs in a tree hole. The most popular caged parakeet is the budgerigar (Melopsittacus undulatus), mistakenly called lovebird; about 8 in. (19 cm) long, it may be any colour but usually has cheek spots and close barring on the upper parts.
This entry comes from Encyclopædia Britannica Concise. For the full entry on parakeet, visit Britannica.com.