Timothy L. Campbell Photography: Brown Creeper, seen April 25, 2011
Timothy L. Campbell Photography: Brown-headed Cowbird, seen April 28, 2011
Timothy L. Campbell Photography: American Goldfinch, seen April 28, 2011
Timothy L. Campbell Photography: House Finch, seen April 29, 2011
Timothy L. Campbell Photography: Black-throated Green Warbler, seen April 30, 2011
Timothy L. Campbell Photography: Barn Swallow, seen April 30, 2011
Timothy L. Campbell Photography: Pelvis and Upper Femur of Australopithicus Afarensis "Lucy"
Timothy L. Campbell Photography: Pelvic Bone and Femur
Timothy L. Campbell Photography: Blue Jay, seen May 1, 2011
Timothy L. Campbell Photography: Red-winged Blackbird, seen May 1, 2011
Timothy L. Campbell Photography: European Starling, seen May 3, 2011
Timothy L. Campbell Photography: Skeleton of a Hand Showing Wrist Bones
Timothy L. Campbell Photography: Lower Jaw of a Child
Timothy L. Campbell Photography: Dark-eyed Junco, seen May 5, 2011
Timothy L. Campbell Photography: Black-capped Chickadee, seen May 4, 2011
Timothy L. Campbell Photography: Wood Thrush, seen May 7, 2011
Timothy L. Campbell Photography: Ruby-crowned Kinglet, seen May 8, 2011
Timothy L. Campbell Photography: Mourning Dove, seen May 8, 2011
Timothy L. Campbell Photography: Common Grackle, seen May 5, 2011
Timothy L. Campbell Photography: Red-breasted Nuthatch, seen May 9, 2011
Timothy L. Campbell Photography: Indigo Bunting, seen May 12, 2011
Timothy L. Campbell Photography: Herring Gull, seen May 16, 2011
Timothy L. Campbell Photography: American Robin, seen May 16, 2011
Timothy L. Campbell Photography: American Crow, seen May 18, 2011