Albertosaurus fed on horned dinosaurs, duck billed dinosaurs, and even the armored Ankylosaurus.

阿尔伯特龙进食带角的恐龙、鸭嘴龙甚至披盔戴甲的甲龙。

Here is the femur of a hadrosaur or duck billed dinosaur and the spot where the caudofemoralis attaches is easy to identify.

这是鸭嘴龙或鸭嘴龙的股骨，尾股肌附着的位置很容易识别。