Yes they do they see color better than us humans
yes, after breeding.
Healthy cockatiels are not colorblind. Cockatiels and other parrots can actually see a wider range of colors than humans can including parts of the ultraviolet spectrum. Some markings on parrots are only visible in the ultraviolet range of the spectrum. (See attached link about ultraviolet markings on another Australian species, the budgerigar). However, some color mutations can be linked to vision problems, especially whiteface lutino (often incorrectly called albino) cockatiels.
grey, yellow, and red just below the eyes
Birds do not grow hair.
Cockatiels come in a wide variety of colors including Grey, Lutino (yellow), Cinnamon, Pearl, Albino (white), Whiteface, Fallow and Pied. There are new color mutations surfacing every day, creating more variety for pet owners interested in keeping the birds.
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.
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.