Avisaurus

The Avisaurus is a proto-bird that lives in the Montane. The Avisaurus can be up to 1.5 ft (45 cm) long, can have a 3 ft (1 meter) wingspan, and can weigh up to 7 ounces (200 grams). Avisaurus prey on small mammals and reptiles and are preyed on by Dromaeosaurus, Acheroraptor and Emperania.