How loud can these birds be?
They can be pretty loud, although, not as loud as a Moluccan or U2. Rosies are known for being the quietest of the Cockatoo species.
Are they frequently loud?
Happy, well maintained Rosies will generally be noisy first thing in the morning and at dusk.
Besides fatty liver and tumors, what diseases are these particular birds prone to?
PBFD is seen with some frequency in wild flocks, but in captivity disease is no more prevalent with Rosies than any other species.
What pellets do they tend to like the most?
Like all other birds, this will depend on the individual bird, what pellet was used during weaning, and what pellet(s) the bird has been exposed to.
Because this species (particularly the subspecies; E. r. albiceps – Eastern Australia – Dark pink-red eye ring and whitish crest) has a tendency toward obesity. One may want to portion feed, rather than free feed. The majority of the diet should consist of fresh vegetables, with very minimal amounts of seeds and nuts. Weight should be monitored several times a week, so that weight gain can be effectively managed.
Are they prone to nippiness?
No more so than other species. It will depend on the individual, how that individual was weaned/socialized and maintained through his/her life.
What the most important thing to know about RBC's?
They are Cockatoos and require a good deal of attention, in addition to a proper diet, lots of exercise (Galahs are a very active bird and a large macaw cage is ideal, as is a large outdoor aviary for outdoor play to meet their activity requirements) and lots of mental stimulation. Most importantly, with any Cockatoo, they MUST be allowed to wean in their own time, regardless of how long it takes. They need to learn from the beginning how to be comfortable on their own, to play on their own, spend time in their cage alone, and be independent.
Socialization, throughout the birds life is a necessity, as Galahs do tend to be shy.