To answer that we need to know where you saw it because many birds from around the world could match your description. In the UK a blue-tit would match this description.
a crow
we are asking is there not a baby bird with yellow veins in its feathers
Your asss crack jajajajajaja
The raven
his original color is Pink
finches
probably
The Eurasian Blackbird is a black bird with a yellow beak.
parrot or Minah Bird which is black with a yellow or orange beak
A yellow bird with a black throat is characterized by its unique color combination of yellow feathers and a black throat.
Feathers, beak, wings, claws.
Starling, not a true blackbird.