This chick is a little crow after hatching

it has white in color without the feathers 

 It's Parents fending him off due to lack of Black feathers 

There is a kind of the larvae like the smell of this chick's beak

These larvae are come and  approaching to its beak

Then

This chick eats  this larvae

after that it's feathers are growing 

when  parents see the  Black feathers 

they know that this is a crow 

then

Parents come back and take care of the little chick