Spizella atrogularis

tags: Black-chinned Sparrow, Spizella atrogularis, birds, mystery bird, bird ID quiz [Mystery bird] Black-chinned Sparrow, Spizella atrogularis, photographed in Boyce Thompson Arboretum Demo Garden, Superior, Arizona. [I will identify this bird for you tomorrow] Image: Richard Ditch, 2006 [larger view]. Date Time Original: 2006:02:25 08:54:01 Exposure Time: 1/60 F-Number: 11.00 ISO: 200 Please name at least one field mark that supports your identification. Rick Wright, Managing Director of WINGS Birding Tours Worldwide, writes: It's good in a new year to start over again at the beginning…