it is called the crest
Yes, cockatiels can get parasites.
Cockatiels are a type of cockatoo.
Cockatiels should not have a lump on their throat.
Cockatiels are parrots, and members of the cockatoofamily.
No, cockatiels should only be housed with other cockatiels. Not only do other types of birds have different types of diets, but they also have different personalities and will sometimes clash with cockatiels.
Answer: Sure, they can. When cockatiels are white, they are either of the Lutino breed, or they are albino.
62% of all cockatiels sold in stores are males.
In their native habitat, cockatiels do flock with other cockatiels. This is a natural behaviour which is primarily for defence against larger birds of prey.
Cockatiels can eat crackers, except they make them put on weight. They have no nutritional content in crackers for cockatiels. Despite the movies where birds eat crackers, cockatiels eat vegetables and seeds (as a treat). Your cockatiel should eat everything in moderation. As for crackers, as an occasional treat - cockatiels love them!
Cockatiels sing if they want attention or if they are happy and content.
Cockatiels love attention and can be very sweet if they are handfed as babies.