Yellow-bellied Seedeater (Sporophila nigricollis) by Michael Woodruff Published December 2, 2011 at × in Study Shows Bird Species Change Fast – Re-post Next → Yellow-bellied Seedeater (Sporophila nigricollis) by Michael Woodruff PAS-Thra Yellow-bellied Seedeater (Sporophila nigricollis) by Michael Woodruff Share this:EmailMe-WePrintMoreLike this:Like Loading...