Tamaulipas crow - They are smaller than the American crow. Their range is limited to extreme southeast Texas. Common grackle - Common grackles are about 12.5 in. The heads, necks and breasts of the males have an iridescent purple cast to them. The bill is long but far thinner than a crow.
Females are smaller and a duller brown color.
They are mostly found in the eastern half of the state. The males are iridescent blue-black. Their eyes a usually yellow to brown. They are common mostly along the coast. Females are tawny brown.