Multiple species of snakes are known as egg eating snakes and all of them swallow eggs whole break them on a boney vertebrae projection wiggle to get the egg stuff out then spit up the shell, they also don’t have teeth and to defend themselves mimic the sound of a soft scaled viper
Draco Volans' are lizards that can fly, or rather, glide. Their ribs expand outwards, and the flaps of skin catches the air. I'd write more, but I'm short on time...