>>42324697most of classic dark pokemon have ONE MAIN THING common in their designs
- their body usually made of dark/black matter with some design bits slapped on them
basically all of these three birds have BLACK BODY as a primary color with colored design (secondary color-their typing) slapped on them
Imagine every bird without wings or tails.
you will have a chicken made of black. black skin/black body.
Articuno is a black bird with blue/purple feathers
Zapdos is a black bird with brown/yellow feathers
Moltres is a black bird with red fiery feathers
all three of them are dark pokemon.