An enormous bird, taller than an adult human ... Now another has popped up in Central Asia, revealing giant birds were no flukes. "Big birds were living alongside Cretaceous non-avian dinosaurs ...

Tweets followed. "I worked with Big Bird. I served with Big Bird. You, sir, are no Big Bird," The Lance Arthur, @thelancearthur, of San Francisco tweeted. "Why is there no Muppet-vision way to ...