Natovenator polydontus?

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What is Natovenator polydontus?

The dinosaur, called Natovenator polydontus, lived about 72 million years ago during the Cretaceous Period and was built like a diving bird with a streamlined body while possessing a goose-like elongated neck and a long flattened snout with a mouth bearing more than 100 small teeth. It was almost covered in feathers.
While it was a cousin of speedy little predator Velociraptor, Natovenator was adapted to a semi-aquatic lifestyle in a freshwater ecosystem, perhaps floating on rivers and lakes, paddling with its front limbs, and using its flexible neck to catch fish and insects or diving underwater to capture its prey.
Natovenator is part of the dinosaur group called theropods – sharing traits including bipedalism – best known for large meat-eaters including Tyrannosaurus, Tarbosaurus and Giganotosaurus.
But the theropods, many of which were feathered, branched out in unusual directions with examples such as long-clawed ground sloth-like Therizinosaurus, ostrich-like Struthiomimus, termite-eating Mononykus and the entire bird lineage.

Q1) What is a theropod in biology?

The theropod (meaning “beast-footed”) dinosaurs are a diverse group of bipedal saurischian dinosaurs which include the largest terrestrial carnivores.

Source: Indian Express