An amazing image of Southern Cassowary by Christian Ziegler, that took first place in the nature category of the 2013 World Press Photo Awards. The endangered Southern Cassowary feeds on the fruit of the Blue Quandang tree. Image © Christian Ziegler
Cassowaries are a keystone species in northern Australian rainforests because of their ability to carry so many big seeds such long distances.
Christian Ziegler is a photojournalist specializing in natural history and science-related topics. He is a regular contributor to National Geographic magazine and has been widely published in other magazines such as Geo, Smithsonian, and BBC Wildlife.