Want to know about T rex? Chase an ibis around a track, scientists say

The Australian white ibis is one of a dozen bird species whose locomotion is revealing a lot about their dinosaur cousins

The Australian white ibis, aka "bin chicken", might not have won the title of Australia's favourite bird, but its next race might help scientists solve the mystery of how Tyrannosaurus rex walked and ran.

The ibis is one of a dozen bird species that scientists raced around an enclosed track, examining how their movement varied as size and pace increased.