Pekin Duck Lesser Scaup Marbled Godwit Forster's Tern Lesser Scaup Lesser Scaup Fleet of Grebes (Aechmophorus occidentalis) Eared Grebe (Podiceps nigricollis) Willet vs. Mussel Great Blue Heron Surf Scoter Snowy Egret Western Grebe (Aechmophorus occidentalis) American Coot Western Gull Western Gull Short-Billed Dowitcher Lesser Scaup Short-Billed Dowitchers Willet Working its Mussel Bufflehead Forster's Tern Audubon's Warbler Yellow-Rumped Warbler Willet Whimbrel Forster's Tern Nuttall's Woodpecker Nuttall's Woodpecker Santa Monica Mountains Oak Titmouse Bushtit American Crow White-Crowned Sparrow California Towhee Anna's Hummingbird Mother Seal and Pup Coastal Carlsbad California Say's Phoebe Marbled Godwit Ruby-Crowned Kinglet Scaly-Breasted Munia Bushtit Bushtit Bufflehead