With a couple of exceptions, males and females of most parrot species look virtually identical. But some species, like the Solomon Island Eclectus (Eclectus roratus), are so different that for many years they were thought to be distinct species of birds. Males are bright emerald green with flame-coloured beaks, while females top off their crimson and royal blue ensembles with black beaks and a bright scarlet head.
White-fronted amazons or parrots (Amazona albifrons) have an area on their wings which helps to distinguish between males and females. This area is called the alula and it appears on the front wing joint – where our shoulders would be.
Male white-fronted parrots can be distinguished from females because their alula has bright red feathers. This is something that female either do not have, or they do but it’s barely visible.
Picture Credit : Google