National Geographic : 2013 Sep
Big Bird In the far north of Australia the cassowary plays a central role in shaping the rain forest. By Olivia Judson Photographs by Christian Ziegler 60 A cassowary peers through foliage in northeast Queensland, Australia. Females like this one can weigh 160 pounds. No one knows what the casque on her head is for, but it could be a sexual ornament.