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   Myiopsitta monachus 鳥類
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    Brotogeris versicolurus


    Canary-winged parakeet (Brotogeris versicolurus) is mainly green but has a distinctive yellow wing patch that is especially visble during flight. It is smaller than the monk parakeet Myiopsitta monachus but larger than the budgerigar. (Spreyer and Bucher, 1998)
    Melopsittacus undulatus


    Budgerigars Melopsittacus undulatus can be confused with the monk parakeet (Myiopsitta monachus) due to their similar green color, however; M undulatus has a yellow face and throat and is a significantly smaller bird, approximately half as long as the monk parakeet. Budgerigars are native to central Australia. (Campbell, 2006). Unlike M. monachus and Psittacula krameri, Budgerigars feed almost exclusively on seeds found on or near the ground. (Spreyer and Bucher, 1998).
    Psittacula krameri
    Perruche À Collier (French), ring-necked parakeet, rose-ringed parakeet, rose-ringed Parrakeet

    According to Kibbe and Cutright (1973), "The ring-necked parakeet, a native of India, is 16 inches long, thus larger than the Monk. It is bright green, with a very long blue-green tail, and a large bright red bill. The male has a black throat and a conspicous black ring around its neck. The underwing coverts are yellow." They mainly feed on fruits and grains in their native habitat (Butler, 2003a), and the similarity of their diet to the monk parakeet also make them a potential agricultural threat. (Kibbe and Cutright, 1973).

ISSG Landcare Research NBII IUCN University of Auckland