Unenlagia (meaning "half-bird") was a genus of theropod dinosaur of the family Dromaeosauridae. Unenlagia, which lived in South America during the Late Cretaceous, was a member of the strange and its form has an extreme resemblance to modern birds.

Wikipedia has a more detailed and comprehensive article on Unenlagia

Jurassic ParkEdit

Unenlagia has never appeared or mentioned in any Jurassic Park films or books, it has however appeared in Jurassic Park III: Park Builder.