They have zygodactyl feet meaning they have two toes pointing forward and two toes pointing back. :)
A macaw is a type of parrot.
It depends on what type of parrot it is.
Parrot? As in a bird? Adam Lambert doesn't have a parrot.
a cockatiel is part of the parrot family. Parrot= a bird, often vividly colored, with a short down-curved hooked bill, grasping feet, and a raucous voice, found especially in the tropics and feeding on fruits and seeds. Many are popular as cage birds, and some are able to mimic the human voice.
NO
That weird shape of their feet help parrot climb better, and guarantee tough grip of the branch. With those mobile feet and toes they can carry food to their beak.
Yes; a corella is a type of Australian parrot.
cockatoo (not technically a parrot) and conure
yes
Yes.
This all depends on the type of parrot. The Hyacinth Macaw is the largest parrot measuring just over 3 feet long, the Greenwing Macaw follows close behind at just under 3 feet with the Scarlet Macaw coming next around 2 and half feet. From there the Blue and Gold is the smallest of the large parrot family measuring at 2 feet. After the large macaw family there are the small macaws which vary in size according to species.
All depending on what type of parrot you have. The small parrots can measure in at 6-7 inches, the medium parrots 1-4 feet and the large parrots 5-7 feet