What to know
Ash Crow has 1 health and spawns in the Ashlands.
It always drops 
Feathers.
About
Ash Crow is a passive bird found in the Ashlands around charred ruins. It has 1 health, so any hit that connects kills it, and it always drops 3 Feathers. It is entirely white, bill and legs included, and it flies rather than walks, which makes an arrow the practical way to take one.
Spawn command
With devcommands enabled, this spawns Ash Crow in front of you. The third number is the level: 3 spawns a 2-star.
Creature ID: AshCrow · all console commands and IDs