I WONDER - Did The Archaeopteryx Have Any Special Features?

The video discusses the Archaeopteryx, highlighting its unique features such as hyperextensible claws, known as the 'killing claw', which allowed for extra movement and perching on branches. Despite sharing many features with modern birds, the Archaeopteryx is still considered a dinosaur due to its long, bony tail, unlike the stump with tail feathers seen in other birds.

What does it mean that the Archaeopteryx's claw was hyperextensible?

In what ways was the Archaeopteryx still considered a dinosaur despite its bird-like features?