复数： cockatiels

Lysine requirement of cockatiel chicks .

玄凤鹦鹉雏鸟对赖氨酸的需求。

Parrots play spinning cogs cockatiel conure parrot toy .

鹦鹉玩自拍齿科克蒂尔锥尾鹦鹉鹦鹉玩具。

Roosting : a healthy cockatiel has continual periods of activity and rest throughout the day and a steady period of rest at night .

栖息：一个健康的玄凤鹦鹉在一整天的活动中有着持续的活动与休息周期，晚上也有稳定的休息期。

Variation in the stability of cockatiel ( nymphicus hollandicus ) pair relationships : the roles of males , females , and mate compatibility .

玄凤鹦鹉配对关系稳定性的变化:雄鸟,雌鸟以及配对兼容性的作用。