Labels:bag | bird | book | bulletin board | cabinet | cushion | fence | grandstand | hakham | map | monitor | person | shelf | sky OCR: FLIGHT Birds BIRDS THROL GH THE AIR 0other characteristic of birds so invokes our cnvy and admiration as the fact that they fly. Through their development, birds have become highly efficient fliers Their form their feathers their strong but lightweight bones Takeoff: Not all birds get their efficient ree spiratory and circulatory Flight Skills airborne the same waw systems. their excellent eyesight their Many geese and swans f1 Some birds need running strong museles and their responsive nervous in a line or wedge formation, start to lift into the air This system eall combine t0 make them nature's like these Canada Geese Double-erested Cormorant tax most masters superb of the flying same princi and machines. iples Birds that -maneuverability an arc airplane This efficient it Shearwater, fli ...
