Bones of giant birds pose mating mystery By Steve Connor 11 September 2003 A study of the fossilised bones of a giant bird which died out about 800 years ago has revealed that the female was three times the size of the male. Scientists discovered that the largest giant moa birds were not a separate species, as originally thought, but an extreme example of sexual dimorphism. A study of the DNA extracted from the bones of large and small moas revealed that the females were huge, weighing up to 250kg and standing up to three metres tall. The males were...
