February 17, 2012
American Goldfinch (upper left) and
Lesser Goldfinch (lower right) feeding on nyger seed
Like most finches, American Goldfinches are primarily seed eaters, making them some of the most readily-attracted birds to feeding stations. They are fond of the small seeds of grasses and annual plants, especially a type of thistle seed called nyger. Within 24 hours of putting up our first nyger feeders, we recorded both American Goldfinches and the very closely related Lesser Goldfinch, Spinus psaltria. Of the two species, Americans are slightly larger and more numerous, but are usually only present in Exposition Park...
Posted by Lila Higgins at 11:17 PM | 0 COMMENTS