Alexandrine Parrot Laying Eggs Without Mating. They usually nest in tree hollows, but sometimes use tree holes excavated by themselves or cracks in buildings. An intelligent bird by nature, it attains sexual dimorphism from the age of three.
Once the eggs are laid, she’ll start to incubate the eggs for 26 days. Female birds (like chickens) can do this. Parrots do not lay eggs until they reach the age of sexual maturity.