hadrosaur

• 一种大型二足鸟臀目恐龙，具有角质鸭嘴状喙和蹼状足，可能部分水生，为草食性恐龙。

A large, bipedal ornithischian dinosaur characterized by a horny, duck-like bill and webbed feet, which may have been partly aquatic.

1. Duck-billed dinosaurC2formalscientific

   Any of numerous large, bipedal ornithischian dinosaurs from the Cretaceous period, characterized by a horny, duck-like bill and webbed feet; they may have been partly aquatic.

   鸭嘴龙

   • The hadrosaur is often called a duck-billed dinosaur due to its distinctive flat snout.
   • Fossils of hadrosaurs have been found in North America, Europe, and Asia.
   • Hadrosaurs were herbivores that likely lived in herds for protection.

   同义词duck-billed dinosaurduckbill