Among birds of paradise the male and female have totally different features. The male has bright colors and ornaments to attract the female.The extravagant dancing and elaborate costumes are used to attract choosy females. This is called lek-type mating system. These birds make their nests out of leaves, ferns and vine tendrils. Clutch size depends on the species of birds. Bigger birds lay 1 egg at a time. Smaller birds lay 2-3 eggs at a time.