Rio Grande Valley Species Seen List

The following is the list of all species I was able to identify during my 8 days in the field. 176 species were seen in total.

Fulvous Whistling-Duck
Black-bellied Whistling-Duck
Gadwall
American Wigeon
Mottled Duck
Blue-winged Teal
Northern Shoveler
Northern Pintail
Green-winged Teal
Canvasback
Redhead
Ring-necked Duck
Lesser Scaup
Masked Duck
Ruddy Duck
Plain Chachalaca
Wild Turkey
Least Grebe
Pied-billed Grebe
Eared Grebe
American White Pelican
Brown Pelican
Neotropic Cormorant
Double-crested Cormorant
Anhinga
American Bittern
Great Blue Heron
Great Egret
Snowy Egret
Little Blue Heron
Tricolored Heron
Reddish Egret
Black-crowned Night-Heron
Yellow-crowned Night-Heron
White Ibis
White-faced Ibis
Roseate Spoonbill
Wood Stork
Black Vulture
Turkey Vulture
Osprey
Hook-billed Kite
White-tailed Kite
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Gray Hawk
Harris's Hawk
Red-shouldered
White-tailed Hawk
Red-tailed Hawk,
Crested Caracara
American Kestrel
Merlin
Peregrine Falcon
Aplomado Falcon
Sora
Common Moorhen
American Coot
Sandhill Crane
Black-bellied Plover
Wilson’s Plover
Piping Plover
Killdeer
Black-necked Stilt
American Avocet
Greater Yellowlegs
Lesser Yellowlegs
Willet
Spotted Sandpiper
Long-billed Curlew
Marbled Godwit
Ruddy Turnstone
Red Knot
Sanderling
Western Sandpiper
Least Sandpiper
Stilt Sandpiper
Long-billed Dowitcher
Laughing Gull
Ring-billed Gull
Gull-billed Tern
Caspian Tern
Royal Tern
Forster's Tern
Rock Dove
White-winged Dove
Mourning Dove
Inca Dove
Common Ground-Dove
White-tipped Dove
Green Parakeet
Red-crowned Parrot
Greater Roadrunner
Barn Owl
Eastern Screech-Owl
Great Horned Owl
Ferruginous Pygmy-Owl
Common Pauraque
Buff-bellied Hummingbird
Ruby-throated Hummingbird
Black-chinned Hummingbird
Ringed Kingfisher
Belted Kingfisher
Green Kingfisher
Golden-fronted Woodpecker
Yellow-bellied Sapsucker
Ladder-backed Woodpecker
Eastern Wood-Pewee
Northern Beardless-Tyrannulet
Eastern Phoebe
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Brown-crested Flycatcher
Great Kiskadee
Tropical Kingbird
Couch's Kingbird
Scissor-tailed Flycatcher
Loggerhead Shrike
White-eyed Vireo
Blue-headed Vireo
Green Jay
Chihuahuan Raven
Tree Swallow
Cave Swallow
Barn Swallow
Black-crested Titmouse
Verdin
Cactus Wren
Carolina Wren
Bewick's Wren
House Wren
Sedge Wren
Marsh Wren
Ruby-crowned Kinglet
Blue-gray Gnatcatcher
Clay-colored Robin
American Robin
Gray Catbird
Northern Mockingbird
Long-billed Thrasher
Curve-billed Thrasher
European Starling
American Pipit
Sprague’s Pipit
Orange-crowned Warbler
Tropical Parula
Yellow-rumped Warbler
Black-throated Gray Warbler
Yellow-throated Warbler
Black-and-white Warbler
Common Yellowthroat
Wilson's Warbler
Olive Sparrow
Lark Sparrow
Black-throated Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
Northern Cardinal
Pyrrhuloxia
Red-winged Blackbird
Eastern Meadowlark
Western Meadowlark
Yellow-headed Blackbird
Great-tailed Grackle
Bronzed Cowbird
Brown-headed Cowboy
Altamira Oriole
Audubon’sOriole
House Finch
Lesser Goldfinch
American Goldfinch
House Sparrow


Other
Reddish Egret - White form - these birds were easily identified by their feeding behavior along Boca Chica Rd. They were chasing small fish along with other normally plumaged Reddish Egrets.

Lilac-crowned Parrot - this is not a countable species that was spotted in Weslaco. It is likely a bird from the pet trade that escaped or was released.

Altamira/Audubon Oriole Hybrid - “Smudgy” - These hybrid orioles have become quite common in Bentsen-Rio Grande Valley State Park.