Compléter Bird gaps!!Version en ligne Fill in the gaps with the riht words!!! par Evaristo Jaén García 1 Birds walk oviparous feathers air wings lungs webbed tail feet beaks fly Birds have , two and a . Many of them live on land . They can , and most birds can . Other birds , such as ducks , live on land and in water . They have to help them swim . Birds do not have teeth , they have . Birds breathe with their . They are .