Jan 2-9 Lower Rio Grande Valley

Up to 9 observers, but usually birding separately or in smaller groups.
The following list only includes the 138 species seen by Bert Frenz.
Additional species (e.g., Hook-billed Kite) were seen by others.

Location codes:
B = Bentsen Rio Grande State Park
C = Chapena
Ch = Chihuahuan Woods
F = Falcon Dam
M = McAllen sewage treatment ponds
O = Arroyo Los Olmos
S = Salineno
SA = Santa Ana National Wildlife Refuge
SM = Santa Margarita Ranch

Common Name

Locations

Least Grebe

SA

Pied-billed Grebe

B,C,F,M,S,SA

American White Pelican

B,SA

Double-crested Cormorant

B,F,SA

Neotropic Cormorant

B,C,F,S,SA

Anhinga

SA

Great Blue Heron

B,C,F,S,SA,SM

Great Egret

B,C,Ch,F,S,SA

Snowy Egret

SA

Little Blue Heron

La Joya

Tricolored Heron

B,F,SA

Cattle Egret

O,SA

Black-crowned Night-Heron

B,F

White-faced Ibis

SA

Canada Goose

B,SA

Muscovy Duck

S

Green-winged Teal

M,SA

Mottled Duck

F,M,S,SA

Northern Pintail

F,M,SA

Blue-winged Teal

B,F,M,SA,SM

Cinnamon Teal

F,S

Northern Shoveler

F,M,S,SA

Gadwall

B,C,F,M,S,SA,SM

American Wigeon

B,C,S,SM

Canvasback

C,S,SM

Ring-necked Duck

SM

Lesser Scaup

C,F

Bufflehead

C,F,S,SM

Ruddy Duck

B,F,SA

Black Vulture

B,F

Turkey Vulture

B,C,F,SA,SM

Osprey

B,C,F

White-tailed Kite

B

Northern Harrier

B,F,SA,SM

Sharp-shinned Hawk

SA

Cooper's Hawk

B,C,SM

Harris' Hawk

B,C,F,S,SA,SM

Red-shouldered Hawk

B

Red-tailed Hawk

F,SA,SM

Crested Caracara

F,O

American Kestrel

B,F,M

Peregrine Falcon ?

C

Plain Chachalaca

B

Northern Bobwhite

F

Sora

S

Common Moorhen

C

American Coot

B,F,M,SA,SM

Killdeer

B,F,S,SA

Black-necked Stilt

B,F,SA

American Avocet

SA

Greater Yellowlegs

SA

Lesser Yellowlegs

SA

Solitary Sandpiper

SA

Spotted Sandpiper

B,C,F,S,SA

Western Sandpiper

F,M,SA

Least Sandpiper

B,C,F,M,SA

Long-billed Dowitcher

SA

Common Snipe

SA,SM

Laughing Gull

C,F,S

Ring-billed Gull

C,F

Caspian Tern

B,C,F,S

Rock Dove

Roma, Mission

White-winged Dove

B

Mourning Dove

B,S,SA

Inca Dove

B,S

Common Ground-Dove

B,Ch,M

White-tipped Dove

B,SA

Greater Roadrunner

C,SM

Barn Owl

F

Eastern Screech-Owl

B

Great Horned Owl

B,C

Pauraque

B

Rufous Hummingbird

SA

Ringed Kingfisher

B,C,F,S

Belted Kingfisher

F,SA

Green Kingfisher

C,S,SA,SM

Golden-fronted Woodpecker

B,Ch,F,S,SA,SM

Yellow-bellied Sapsucker

B

Ladder-backed Woodpecker

B,Ch,F,S,SA,SM

Northern Beardless-Tyrannulet

B

Eastern Phoebe

B,C,F,SA

Great Kiskadee

B,C,Ch,F,S,SA,SM

Couch's Kingbird

B,M

Tree Swallow

SA

Green Jay

B,C,F,S,SA,SM

Brown Jay

C

Chihuahuan Raven

F

Carolina Chickadee

SA

Tufted Titmouse

B,C,F,S,SA

Verdin

F

Cactus Wren

F,S

Rock Wren

S

Carolina Wren

B

Bewick's Wren

F,S,SM

House Wren

B,C,SA

Marsh Wren

SA

Ruby-crowned Kinglet

B,F,S,SA

Blue-gray Gnatcatcher

B,C,F,S,SA,SM

Northern Mockingbird

B,Ch,F,S,SA,SM

Long-billed Thrasher

B,C,F,SM

Curve-billed Thrasher

S,SM

American Pipit

B,C,F,M,S

Loggerhead Shrike

F,M,SM

European Starling

B,F,SA

White-eyed Vireo

SA,SM

Blue-headed Vireo

B

Cassin's Vireo ?

F

Orange-crowned Warbler

B,C,Ch,F,S,SA,SM

Yellow-rumped Warbler

B,F,M,S,SA,SM

Black-throated Gray Warbler

B

Black-and-white Warbler

B,SA

Common Yellowthroat

B,C,F,SA

Northern Cardinal

B,C,F,S,SA

Pyrrhuloxia

F,S,SM

Black-headed Grosbeak

B

Blue Bunting

B

Indigo Bunting

B

Olive Sparrow

B

Chipping Sparrow

C,S

Clay-colored Sparrow

B,C,S,SM

Vesper Sparrow

C,SM

Lark Sparrow

C

Black-throated Sparrow

SM

Savannah Sparrow

M

Grasshopper Sparrow

O

Song Sparrow

SA

Lincoln's Sparrow

B,C,Ch,O,S,SA,SM

Swamp Sparrow

SA

White-crowned Sparrow

S,SM

Red-winged Blackbird

B,F,S,SA

Eastern Meadowlark

B,SA,M

Western Meadowlark

F,SM

Great-tailed Grackle

B,F,S,SA

Brown-headed Cowbird

B,M

Altamira Oriole

B,F,S,SA

Audubon's Oriole

S

American Goldfinch

B

House Sparrow

B,F