1.
Undifferentiated carcinoma of the pancreas in a cockatiel ( Nymphicus hollandicus ): case report
2.
Use of collard green stalks as environmental enrichment for cockatiels ( Nymphicus hollandicus ) kept in captivity
Food preferences of cockatiel chicks ( Nymphicus hollandicus ) in captivity
Behaviour of cockatiels (Nymphicus hollandicus) at two temperatures in captivity