Works at National Gallery of Art

Little Tyrant Flycatcher, Small-Headed Flycatcher, Blue Mountain Warbler, Bartram's Vireo, Short-Legged Pewee, and Rocky Mountain Flycatcher

Long-billed Curlew

Long-eared Owl

Long-legged Avocet

Long-legged Sandpiper

Long-tailed Duck

Long-tailed or Dusky Grous

Louisiana Hawk

Louisiana Tanager and Scarlet Tanager

MacGillivray's Finch

Manks Shearwater

Maria's Woodpecker

Marsh Hawk

Marsh Tern

Mountain Mocking-bird and Varied Thrush

Night Heron or Qua bird

Noddy Tern

Nuttall's Starling, Yellow-headed Troopial and Bullock's Oriole

Pectoral Sandpiper

Pied Duck

Pigmy Curlew

Pin-Tailed Duck

Pine Grosbeak

Plumed Partridge and Thick-legged Partridge