Text written in Basque and translated automatically by Elia without any subsequent editing. SEE ORIGINAL
Flights from birds
Bird flying is one of the most complex forms of locomotion in the animal kingdom. All birds have the same basic characteristics: a light skeleton, strong muscles and adapted wings and feathers. The different flight strategies of birds, however, are the result of millions of years of evolution.
Buletina
Bidali zure helbide elektronikoa eta jaso asteroko buletina zure sarrera-ontzian
