The Black cockatoo was extending his crest up, then moving it back down. they were nibbling on the branch, looking around, very still at times and cleaning his feathers.
FACTS:
Body Covering
The body covering for a black cockatoo is black and red feathers.
Enclosure
The enclosure has many miniature trees, tree branches and big green leafs.
Relevant Size
The relevant size of a red tailed cockatoo is a bit bigger than a humans head