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 ...

The world’s largest bird, the ostrich, is one of nature’s most surprising creations. While most birds depend on wings to survive, this giant ground-dweller has thrived without ever needing to fly.

Eagles are truly impressive birds for a wide variety of reasons. This article takes a look at the largest eagles in the world according toweight. Certain species are relatively small while sporting an ...

The UK's largest bird of prey, a white-tailed eagle has been spotted perching in the New Forest.

History has not been kind to the elephant bird of Madagascar. Standing nearly 10 feet tall and weighing up to 1,000 pounds — or so researchers believed — this flightless cousin of the ostrich went ...

I marveled at the big bird wandering within Ngorongoro Crater in Tanzania, Africa. I knew I was looking at the largest bird in the world, a male ostrich standing nearly 9 feet tall. He was flightless, ...

Q. I am pretty sure that ostriches are the biggest birds in the world. But what is the biggest bird in North America? A. The first step is to define “big.” Andrew Lydeard, program coordinator of ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...