Chinchillas are one of the most affectionate rodents. They rarely bite and prefer to be cuddled and carried. Only if they feel trapped or are restrained against their will, will they bite aggressively. However, a cornered or angry chinchilla will rear up on its hind legs and spray urine at the aggressor. A chinchilla that is trying to escape can release clumps of fur from its body, leaving a large bald patch. The fur will grow back with time.  

Young, hand-raised cockatoos adapt readily to new surroundings and handling procedures. They should be exposed early in life to novel situations (car travel, hospital visits, multiple visitors in the household, other household pets) so that they are well adjusted to these events. Discipline, leadership, patience, a sense of ritual and the offering of rewards may be necessary to modify behavior problems relating to screaming for attention to demand the presence...