Shiny black bird with rust colored head?
If it's got a shiny back with green metallic glints its probably a common grackle.
"Black-headed gull" is an English equivalent of "itim luko gal" (Chroicocephalus ridibundus). The adjective "itim" refers to the black* color of the gull's head. The word "luko" refers to the body part that is colored black. The noun "gal" refers to the type of bird: "gull." *The color of the gull's head is actually a rich, deep, dark brown chocolate.