The grosbeaks are related to finches and sparrows, New world seed eaters. The grosbeak species are the rose breasted, blue, black headed, and evening grosbeaks. The cardinal is also a grosbeak, as is the pine grosbeak of northern climes.

fruits, seeds, insects, etc.

Depends on which grosbeak-- Evening or Black-headed or Rose-breasted Grosbeak...

All grosbeaks are seed eaters basically, but will take some berries and insects. The blue grosbeak is the only one in the family that may take insects more than seeds or berries.

Red-and-black Grosbeak was created in 1789.

There are too many to list, but some common ones are:

Goldfinch

House finch

Purple finch

Pine grosbeak

Evening grosbeak

Common redpoll

Hoary redpoll

Cardinal

Rose breasted grosbeak

Indigo bunting

Painted bunting

Black headed grosbeak

Pine siskin

Bullfinch

Cassin's finch

Cardinals are Fringilids, New World seedeaters, including sparrows, finches, and grosbeaks. The cardinal is actually a grosbeak, related to the blue, rosebreasted, and black headed gosbeaks.