Simple categories matching bipedal:

• being,
• carnosaur,
• mammal,
• animal,
• dinosaur,
• predator,
• creature,

Members with property bipedal:

• tyrannosaurus,
• deinonychus,
• human,
• theropod,
• man,
• hadrosaur,
• kangaroo,
• carnivorous_theropod,
• coelophysis,
• ornithopod,
• jerboa,
• ape,
• monkey,
• velociraptor,