(N/A) The differences between a flying lizard $(Draco)$ and a bird are as follows:
$1$. Classification: Flying lizard belongs to the class $Reptilia$,while birds belong to the class $Aves$.
$2$. Body Temperature: Flying lizards are cold-blooded (poikilothermic),whereas birds are warm-blooded (homeothermic).
$3$. Body Covering: The body of a flying lizard is covered with scales,while the body of a bird is covered with feathers.
$4$. Heart Structure: Flying lizards typically have a three-chambered heart,whereas birds have a four-chambered heart.
$5$. Locomotion: Flying lizards use skin folds (patagium) for gliding,while birds have forelimbs modified into wings for true flight.