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..
Rating Newest Oldest. Best Answer: A peacock makes a loud and mewing sound. A parrot squawks, screams, talks, and imitates sounds like the telephone. A crane (mainly the whooping crane) makes a whooooop, whoooop sound. A goose makes a honking sound. A penguin makes a braying sound (sounds like a donkey). An eagle screeches. As for turkeys, males gobble and females cluck.