The ancestors of ostriches and emus were long-distance fliers. Here's how we worked this out

Aside from being a delight to watch, flight in birds is regarded by many cultures as a symbol of freedom, and a source of ...

'Exceptional result': Kiwi chicks make fight weight

Wellington's Capital Kiwi Project says all 10 chicks it has been monitoring have put on enough weight to fight off predators. At just 1.2kg, it said the chicks were big enough to send stoats packing.