Piety - Etymology. 1  The word piety comes from the Latin word pietas, the noun form of the adjective pius (which means devout or dutiful). Pietas in traditional Latin usage expressed a complex, highly valued Roman virtue; a man with pietas respected his responsibilities to gods, country, parents, and kin.
Many people when they get a cockatiel want to know How Long Does A Cockatiel Live ?. The average lifespan of a cockatiel is around 12 years to 15 years. However, if you look after your bird well and ensure that it eats healthily, you can extend the lifespan of your cockatiel to even 20 years if not more. Cockatiels are quite intelligent and can be taught to whistle, imitate sounds and even speak.
Best Answer: You should not breed cockatiels until the male and female are at least 12 months old, with a preferable cockatiel breeding age of 18 months. So, 2 year old tiels are definitely old enough. She may just not like him.