From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.

The title of largest bird that ever lived has long been held by a specific species of elephant bird that lived between 10,000 and 1,000 years ago, but a new challenger has just usurped the throne.

Over 500 bird species could vanish in 100 years. Protecting habitats isn't enough. Targeted recovery efforts are crucial.

The title of largest bird that ever lived has long been held by a specific species of elephant bird that lived between 10,000 and 1,000 years ago, but a new challenger has just usurped the throne.

But if the bird was actually a brand-new species, researchers faced a big question: Could such a large bird, with a wingspan of 20 to 24 feet, actually get off the ground?

"Many bird species can develop flightlessness in environments without large predators, such as on islands, but they also become easier prey for both humans and animals, such as rats and cats ...

The tooth-billed pigeon is a large bird native to Samoa's rainforests, ... "The tooth-billed pigeon has some of the most limited data on their calls in the world of any bird species," said James.

The secretary bird and other large African bird species are facing an extinction crisis, a January 2024 study says. (Sumeet Moghe/Wikipedia via Courthouse News) PARIS (AFP) — The flamboyantly plumed ...