Birds, by design, tend to be small, light and streamlined. Yet there are some that push the boundaries of size. Here is the avian world’s best example of an ultra-heavyweight flyer. Birds of prey are ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Birds of prey typically fit into a common mold: they are ...

Add Yahoo as a preferred source to see more of our stories on Google. These raptors are built forhunting in dense forest canopies. They can take prey up to around 20 lbs., including young deer. Their ...