The Cuban grassquit ("Tiaris canorus") is a small bird. The dull-coloured grassquit ("Tiaris obscurus") is a small bird. One of these was the yellow-faced grassquit. The yellow-shouldered grassquit ("Loxipasser anoxanthus") is a species of bird in the family Thraupidae. The black-faced grassquit ("Tiaris bicolor") is a small bird. The blue-black grassquit ("Volatinia jacarina") is a small bird in the tanager family, Thraupidae. The black-faced grassquit feeds mainly on seeds, especially of grasses and weeds. The yellow-faced grassquit has a weak buzzing trilled "ttttt-tee" call.