no, they may seem weak, but they are very strong!! peace out dude
Most birds -- and all birds that fly -- have semi-hollow bones. Most reptiles, however, do not.
Birds have pneumatic bones.
There is no such thing as a dinosaur that flys. The difference between a pteradoctyl and a bird is: Birds have feathers and pteradoctyl's don't. The difference between a oviraptor and a bird is: Oviraptor have hands and birds have wings.
Birds are the only things that have feathers and hollow bones.
the same as you preserve a mummy, i think.
weak bones that bones that are very fragile means that they are very weak or easily breakable.
Birds have hollow bones to help them fly.
Our bones will get weak if our calcium intake is very small. Getting little amount of vitamin D can also cause our bones to get weak.
You can get shorter as a result of weak bones if the vertebrae in the spine collapse.
well soon your bones will get weak and fragile and it would be easier for bones to brake
No, they do not.
Birds bones are hollow. That is why they can fly, because they are so light because of their hollow bones. x)
no they do not have hollow bones. this is because they are flightless and god just made them that way♥ ♥
i guess it could be in the way that birds have hollow bones
Yes, parrots have bones. All birds have bones.
Most birds -- and all birds that fly -- have semi-hollow bones. Most reptiles, however, do not.
regular bird bones