Sounds like a house finch.
Consult a field guide for house finch.
A grosbeak is an adult bird that looks like a sparrow.
The grasshopper sparrow, Ammodramus Savannarum, is a small bird of fields and meadows, with a short tail and flat head. It is a streaked, brown bird, with light yellow on the shoulder. Found from S.Canada to Ecuador.
start from the head and go down to the vent and write notes then go to the librairy and look up info on bird and match identifactions.
a cat ^. .^
The boy sparrow has a darker head and color on its whole body including its chest while the girl is a lot lighter.
Check a field guide for "tufted titmouse".
It is called the Bird's Head Peninsula, because it looks like a bird's head.
If the black is the crown of the head, and you can notice a patch of red under the tail when it takes off, it is a catbird.
You're not providing much information to go on, like behavior, size, habitat, etc, but you might want to look in a field guide and see if Hose Finch (Carpodacus mexicanus) is what you are asking about.
it looks like a brownish the head color is yellow
Not all naturally occurring phenomenon can or should be interpreted as signs or omens. Unless this sparrow was found in a very unusual place, or the sparrow is of personal significance to you, then this is one of those times.