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..
Â· just now. Report Abuse. Chickens peck feathers for one of two reasons: 1) Boredom: if they are bored then picking feathers is just something to do, which is why battery hens have so few feathers when they come out.To combat this, you can try hanging up a head of lettuce in their run just above head height, so they have to reach up for it. just now. Report Abuse. Chickens peck feathers for one of two reasons: 1) Boredom: if they are bored then picking feathers is just something to do, which is why battery hens have so few feathers when they come out.