House finch mathematics Posted Sunday, December 16, 2007Friday, April 23, 2010 Jess Yarnell How many House Finches can fit on a 4-bird feeder? House Finches Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on Pinterest (Opens in new window) Pinterest Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print