Gaviiformes, Podicipediformes,
Pelecaniformes, Ciconiiformes

Family Gaviidae—Loons

Gavia immer—Common Loon
Gavia stellata—Red-throated Loon

Family Podicipedidae—Grebes

Aechmophorus clarkii—Clark's Grebe
Aechmophorus occidentalis—Western Grebe
Podiceps auritus—Horned Grebe
Podiceps nigricollis—Eared Grebe
Podilymbus podiceps—Pied-billed Grebe
Tachybaptus dominicus—Least Grebe

Family Pelecanidae—Pelicans

Pelecanus erythrorhynchos—American White Pelecan
Pelecanus occidentalis—Brown Pelecan

Family Phalacrocoracidae—Cormorants

Phalacrocorax auritus—Double-crested Cormorant
Phalacrocorax olivaceus—Olivaceous Cormorant

Family Ardeidae—Herons, Egrets, and Bitterns

Ardea herodias—Great Blue Heron
Botaurus lentiginosus—American Bittern
Bubulcus ibis—Cattle Egret
Butorides striatus—Green-backed Heron
Casmerodius albus—Great Egret
Egretta caerulea—Little Blue Heron
Egretta rufescens—Reddish Egret
Egretta thula—Snowy Egret
Egretta tricolor—Tricolored Heron
Ixobrychus exilis—Least Bittern
Nycticorax nycticorax—Black-crowned Night Heron
Nycticorax violaceus—Yellow-crowned Night Heron

Family Threskiornithidae—Ibises and Spoonbills

Plegadis chihi—White-faced Ibis
Plegadis falcinellus—Glossy Ibis

Family Cathartidae—American Vultures

Cathartes aura—Turkey Vulture
Coragyps atratus—Black Vulture