green
Well, you can't really tell. Parrots are actually very colorful and you can't tell because their amazing incredible species have unlimited colors.
Most parrots camoflage into trees that they have adapted to. For example, the 'green grass parrot' will camoflage into green grass or trees its colour.
No! Parrots aren't all green. For instance, the grey African parrot, i learnt in school this year. :)
Maturity generally has nothing to do with it; however, if your parrot is ill, its feathers may lose their gloss.
Many birds and animals are infact colorblind. However many parrots including the African Grey are able to see more color than humans. They are capable of seeing ultraviolet light.
Males are basically red, with a black mask and throat. Females are brown, with red edges on wings and tail, and black mask and throat.
The egg color of a Siberian Ruby-throated Hummingbird is white.
birds (parrots)
Of course. If parrots did not reproduce, there would be no parrots left. Parrots reproduce by laying eggs, as all birds do.
The sound that is made by the Indian parrot is called a "squawk". The Indian parrots can be trained to speak to people.
There are no poisonous parrots.