Study of Cassin's Finches by UNC

"University of North Carolina researchers said Cassin's finches, which breed in California, displayed frugality in singing the most when they lost a prospective mate, but singing very little when they already had a mate or when females were unlikely to be nearby." Editorial Comment: Proof positive that the "male" Cassin's Finch is no dummie. Not making the mistake that I often have.

Cassin's Finch Namesake: John Cassin

Cassin's Finch: "The Cassin's Finch was named for Philadelphia ornithologist John Cassin. Cassin, 1813 - 1869, was made honorary curator of the Philadelphia Academy of Natural Sciences in 1842. There are five species of western bird that bear his name. "