You may have thought Big Bird was unrealistically gigantic, but he's still not the largest bird to ever walk the Earth. That honor goes to elephant birds, which stood 10 feet tall and roamed ...

Ostriches are the biggest birds on the planet today. Males can tower 9 feet tall, half of that their neck, and weigh in at more than 300 pounds. But there was once an even bigger bird, the elephant ...

Towering around nine feet tall – half of that neck – and weighing in at more than 300 pounds, ostriches are the biggest birds on the planet today. But there once was an even bigger bird, which roamed ...

The long-awaited Harry and Linda Fath Elephant Trek habitat will soon open at the Cincinnati Zoo & Botanical Garden. The zoo announced Wednesday that the new habitat, dubbed the biggest in the history ...

Before they were driven to extinction, giant elephant birds roamed Madagascar, weighing up to 2,000 pounds and towering 10 feet tall. A new analysis gives hints as to how many species there once were.