Terror Bird is a large extinct flightless bird.
Terror Bird
The bird was a carnivor, and slightly resembled an Ostrich (though hardly). The Terror Bird was about 3-4 feet tall, compared to the worlds largest bird that has a wing span of 25 feet. Most of the Terror Birds were very fast and agile.  All members possessed a large, sharp beak, a powerful neck and sharp talons. Though Terror Birds were fairly large (as they could only grow to 3 or 4 feet), they possessed very small wings (which is why they couldn't fly). The strong downwards curve from the tip of this beak suggests it ripped the flesh from the body of other animals. Many extant bird species with this feature are shown to be carnivorous.