Paleontologists have uncovered a new species of dinosaur that lived 90 million-years-ago in modern-day Brazil with an almost unheard-of characteristic: it balanced its weight on a single toe.

Dinosaur the pigeon has no feathers and will not peck at birdseed on the ground — or at anything else. It is an aluminum art installation that will tower over the High Line Plinth, at West 30th ...