 Two eggs are typically laid in a relatively small nest (usually made largely of leaves), each egg measuring and weighing .The young curassow weighs upon hatching; as a half-year-old immature fledgling; and by a year of age, when fully fledged and independent of parental care, will be about three-quarters of their adult weight at .This species has been noted for its rather aggressive temperament, which has been regularly directed at humans when the birds are held in captivity.