Birds are the last living dinosaaurs.
They also had beaks and teeth.
This happened when they began eating more plants.
For plant-eating bird, teeth were useless.
The only dinosaurs to survive were beaked birds.
다음검색
Birds are the last living dinosaaurs.
They also had beaks and teeth.
This happened when they began eating more plants.
For plant-eating bird, teeth were useless.
The only dinosaurs to survive were beaked birds.