As we watch goldfinches 'grow' yellower every day, thought this might be of interest - http://www.sciencenews.org/view/generic/id/68646/title/Songbirds_testost erone_surges_at_sight_of_thistle_blooms Noel Cutright, Ozaukee County #################### You received this email because you are subscribed to the Wisconsin Birding Network (Wisbirdn). To UNSUBSCRIBE or SUBSCRIBE, use the Wisbirdn web interface at: //www.freelists.org/list/wisbirdn To set DIGEST or VACATION modes, use the Wisbirdn web interface at: //www.freelists.org/list/wisbirdn Visit Wisbirdn ARCHIVES at: //www.freelists.org/archives/wisbirdn
