48562 images 555 classes
Aberts Towhee Acorn Woodpecker Allens Hummingbird Adult Male Allens Hummingbird Female immature American Avocet American Black Duck American Coot American Crow American Dipper American Goldfinch Breeding Male American Goldfinch Female or Nonbreeding Male American Kestrel Adult male American Kestrel Female immature American Oystercatcher American Pipit American Redstart Adult Male American Redstart Female or juvenile American Robin Adult American Robin Juvenile American Tree Sparrow
9859 images 4 classes
563 images 7 classes
4800 images 40 classes
American Coot American Goldfinch (Breeding Male) American Goldfinch (Female-Nonbreeding Male) Barred Owl Black Phoebe Black-and-white Warbler Black-throated Green Warbler Blue Jay Blue-gray Gnatcatcher Brewer Blackbird (Male) Bushtit Carolina Wren Chipping Sparrow (Breeding) Common Tern Common Yellowthroat (Adult Male) Eastern Kingbird Eastern Phoebe Forster Tern Hermit Thrush Lesser Yellowlegs