Character sheet of my dragon OC Elder, he is my own closed species

About this species:
There are only a few in the world because they were hunted. This species is mix of dragon and bird so they can have many color variations. These dragons have just front legs, so they can't walk very well. Also they have white empty eyes and two rows of teeth. These dragons are very territorial and they form couples that live together for the rest of their lives. The style of hunting of this species is similar to the eagles. In a figt with bigger predators they use horns and bony protrusions on tail. This species can't spit fire. Membrane on their tail can be hidden in a bony protrusions, they use this feature in a fight and when they are on a ground. They can live for several hundred years.