Tip - How to Tell If Your Cockatiel Is Going to Lay Eggs | eHow

If your female cockatiel (Nymphicus hollandicus) is exhibiting unusual behaviors or is looking a little plump, she may be preparing to lay eggs – even if she lives alone. The fact that females can deposit eggs without a male present comes as a surprise to many cockatiel owners. In some cases, excessive egg laying causes health problems. By...