Attenborough’s Wonder of Eggs

So familiar yet so remarkable, the bird’s egg is strong enough to bear the load of a parent sitting on it and fragile enough to enable a weak chick to break out.
(Image credit: BBC/Mike Birkhead Associates)

So familiar yet so remarkable, the bird’s egg is strong enough to bear the weight of a parent and fragile enough to enable a weak chick to break out

So familiar yet so remarkable, the bird’s egg is strong enough to bear the load of a parent sitting on it and fragile enough to enable a weak chick to break out.

Sir David Attenborough tackles the remarkable properties of an object that’s always fascinated him in this lively one-off full of ‘did you know?’ facts.