With the help of a favorable wind and its habit of swinging its head from side to side as it walks , Komodo dragons may be able to detect carrion from NUMBER@1 -- NUMBER@2 kilometres -LRB- NUMBER@3 -- NUMBER@4 mi -RRB- away .

With the help of a good wind , they may be able to smell carrion from NUMBER@1 -- NUMBER@2 kilometres -LRB- NUMBER@3 -- NUMBER@4 mi -RRB- away .
