Blue-crowned hanging parrot Blue-crowned hanging parrot The blue-crowned hanging parrot ("Loriculus galgulus") is a small (length: ) mainly green parrot found in forested lowlands in southern Burma and Thailand, Malaya, Singapore, and Indonesia (Sumatra, Java, Borneo). Blue-crowned hanging parrots are mostly green and the adults have black beaks. Adult males have a blue crown, red throat, red rump, and a yellow lower back. Adult females are duller than males and lack the yellow lower back, usually lack the red throat, and the blue crown is much less noticeable. The juvenile is duller than the female, and has a grey forehead and horn-coloured beak.
Ischnura erratica have blue bands dorsally, segments 3 to 6 have narrow yellow rings and there is a large blue dorsal patch stretching from segments 7 or 8 to segment 10. The tip of segment 10 is extended into an upward-pointing forked tail. The female has two colour phases. One is similar to the male but with duller eyes and greenish-blue replacing blue. The other has pale patches on the head, a greenish thorax, and a black abdomen with narrow green rings at the base of some segments. Immature females have dull orange patches on head and thorax. "Ischnura erratica" is native