seedeater

noun

1. (literally)An individual or species which eats seeds.

   “Mammal seedeaters include chipmunks; ground squirrels; red, gray, and fox squirrels; voles; white-footed mice; and pocket gophers.”

2. A bird species which feeds mainly on seeds.

   “Most seedeaters have strong, typically shaped bills.”

3. Any bird in the genus Sporophila of the tanager family, Thraupidae
4. Any bird in the genus Amaurospiza, now classified in the family Cardinalidae