Wild cockatiels:average 12" (30.5 cm.) Domesticated cockatiels: average 13-14" (33-35.6 cm.)
Yes as long as it doesn't have a lot of butter or anything
Yes, if it does not receive daily interaction it is possible.
A balanced diet of fruit, veggies and seed. No avocado, no chocolate!
Seeds form the basis of a cockatiel's diet. Cockatiels are parrots, and parrots have strong, curved beaks to enable them to crack seeds and nuts, their favourite foods.
It is perfectly okay for cockatiels to eat popcorn, as long as it is unsalted, unbuttered and given as a treat. Cockatiels require a diet that gives them adequate amounts of vitamins, minerals and proteins. So, just feeding a seed diet is not sufficient to have a healthy bird. A seed diet is high in fat and low in Vitamin A, protein and calcium. A typical diet for cockatiels should contain 65 percent cereals and grains, 20 to 25 percent vegetables, 5 to 10 percent fruit and the remaining protein.
In the wild cockatiel chicks will get regurgitated food from whatever it's parents have eaten. The parents do not change their diet during the chick raising months but the chick cannot eat normal food until it is weaned.
Yes, cockatiels can get parasites.
Cockatiels are a type of cockatoo.
Cockatiels are parrots, and members of the cockatoofamily.
Cockatiels should not have a lump on their throat.
Cockatiels can eat honey. They love honey. It may surprise you, but honey is used in many cockatiel treats (to hold seeds together). So, yes, cockatiels are allowed to eat honey - in moderation, though!