Cockatiel chicks hatch after approximately 18 to 21 days of incubation, emerging wet, blind, and nearly featherless. The newly hatched chick is remarkably fragile, weighing only about 4 to 6 grams, and is entirely dependent on its parents or a human caregiver for warmth and nourishment. Within the first few hours, the chick will begin to dry off and its sparse natal down will become visible as a thin layer of pale yellow or white fuzz covering portions of its body.
During this critical window, the parents typically begin their first feeding within 8 to 12 hours after hatching. The hen or cock will regurgitate a nutrient-rich substance from the crop directly into the chick's tiny beak. If the parents are attentive and experienced, minimal human intervention is needed. However, first-time cockatiel parents sometimes neglect or accidentally injure their young, so close monitoring without excessive disturbance is essential.
If hand-rearing becomes necessary because the parents have rejected the chick or the chick appears weak and unfed, the first feeding should be approached with extreme caution. The chick's crop must be allowed to empty of any residual yolk sac nutrients before the first assisted feeding. A veterinarian experienced with avian neonates should be consulted before attempting hand-feeding for the first time, as improper technique can lead to aspiration or crop burns.
Temperature regulation is paramount during these early hours. Newly hatched cockatiels cannot thermoregulate on their own and rely entirely on the brooding parent or, in the case of hand-rearing, a carefully controlled brooder set between 95 and 98 degrees Fahrenheit. Even brief exposure to temperatures below this range can cause the chick to become chilled, leading to slowed digestion, crop stasis, and potentially fatal complications.