Archaeopteryx compared to its body length. It could reach up to in body length, with an estimated mass of . "Archaeopteryx" feathers, although less documented than its other features, were very similar in structure to modern-day bird feathers. Despite the presence of numerous avian features, "Archaeopteryx" had many non-avian theropod dinosaur characteristics. Unlike modern birds, "Archaeopteryx" had small teeth, as well as a long bony tail, features which "Archaeopteryx" shared with other dinosaurs of the time. Because it displays features common to both birds and non-avian dinosaurs, "Archaeopteryx" has often been considered a link between them. In the 1970s, John Ostrom,
Aathal Dinosaur Museum Dinosaurs, Archaeopteryx, eggs and embryos and footprints, as well as meteorites and minerals of "Siber + Siber". The collection includes 10 skeletons being finds from excavations by the museum's team, 10 further original skeletons from Dino, air and marine saurians, 19 detached skeleton fossil dinosaur replicas as well as 31 life-size dinosaur models and 42 replicas of dinosaurs and dinosaur skulls. In 2012 there were 437 guided tours, of which about three hundred for school classes, and since 1992 about 1,571,012 visitors. The staff of the museum consists of approximately 33 employees, of which six are members of the paleontological-scientific