Called also neonate and newborn. premature infant (preterm infant) one born before a gestational age of 37 completed weeks (259 days). The duration of gestation is measured from the first day of the last menstrual period and is expressed in completed days or weeks.
Stress. The second most common reason that parrots pluck their feathers is stress. Parrots can become stressed because of lack of attention from their owners, dirty or cramped accommodations, and boredom.According to veterinarian Ron Hines, Some birds literally groom their feathers off for lack of other pastimes..tress. The second most common reason that parrots pluck their feathers is stress. Parrots can become stressed because of lack of attention from their owners, dirty or cramped accommodations, and boredom. According to veterinarian Ron Hines, Some birds literally groom their feathers off for lack of other pastimes..
Hemera Technologies/PhotoObjects.net/Getty Images. A prominent hooked beak makes the parrot stand out from other bird species. The upper beak is hinged to give it precise dexterity and strength for cracking seeds and manipulating objects in its environment.ere's to Their Health. Like human fingernails, a parrot's beak is a good indicator of general health. If your parrot's beak is deeply imbued with its natural color and is not flaking or splitting, your feeding and care program is meeting his needs adequately.