 Mute Swan and Tundra Swan |
 Three Terns: Royal, Sandwich, and Common |
 Whimbrel and Marbled Godwit |
 Marbled Godwit and Long-billed Curlew |
 Common Goldeneye and Long-tailed Duck |
 Greater and Lesser Yellowlegs |
 Size differential: American Avocets and a Wilson's Phalarope |
 Red-tailed Hawk and Blackbird |
 Sandhill Crane |
 Bar-tailed Godwit |
 Cassin's and House Finches |
 Western and Least Sandpiper |
 Stilt Sandpiper, Short-billed Dowitcher and Least Sandpipers |
 Long-billed Dowitcher and Stilt Sandpiper |
 Stilt Sandpiper and Long-billed Dowitcher |
 Sabine's Gull with California Gull: a comparison |
 Caspian and Forster's Tern |
 Herring and Franklin's Gulls, Royal Terns |
 Terns in a Row |
 Terns Lifting Off |
 Prothonotary Warbler and White Ibis |
 Stilt Sandpiper and Dowitcher |
 Juvenile Eagles; Bald and Golden |
 Bohemian and Cedar Waxwings |