Laguna Atascosa National Wildlife Refuge

Wildlife Sanctuary · United States

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Photo © Department of the Interior. U.S. Fish and Wildlife Service. National Conservation Training Center. 10/1997-8888

Photo © Department of the Interior. U.S. Fish and Wildlife Service. National Conservation Training Center. 10/1997-8888 — CC0 1.0 — Source: Wikimedia Commons

Where coastal prairie meets shallow lagoon along the southernmost tip of Texas, Laguna Atascosa National Wildlife Sanctuary sprawls across a landscape sculpted by salt spray and tidal rhythms. This sprawling wetland complex, cradled between Corpus Christi Bay and the Gulf of Mexico, encompasses freshwater marshes, brackish lagoons, and windswept grasslands that shift with the humid subtropical climate—a realm where rain falls year-round and the boundary between water and land blurs into an ever-changing mosaic. Wading birds probe the shallows in their thousands, while raptors quarter the open skies above dunes stabilized by hardy coastal vegetation. Smaller creatures—mammals adapted to salt-tolerant habitats, amphibians thriving in the refuge's permanent and seasonal pools—complete an ecological web finely tuned to the Gulf Coast's particular blend of moisture and salinity. This is not lush jungle; it is something subtler and more resilient, a landscape of adaptation where every species has learned to thrive in abundance and scarcity alike.

For birdwatchers and wildlife photographers, Laguna Atascosa delivers rewards across every season, though the cooler winter months concentrate visiting populations and provide some of the clearest light for observation. The shallow waters attract migratory shorebirds and waterfowl in remarkable concentrations, while resident populations of herons, egrets, and other wading birds provide dependable subjects year-round. Raptors—from swift hunters to soaring specialists—command the open skies, and patient observers working the prairie edges may encounter grassland species found nowhere else in the lower forty-eight. The refuge's network of observation towers and accessible trails puts photographers within striking range of wild moments without disrupting the sanctuary's essential quiet. Early mornings, when light pools golden across the water and vocal activity peaks, offer the most productive hours. Those who invest time here understand why this corner of the Texas coast, though often overlooked, ranks among the continent's most productive wildlife havens.

Website fws.gov/refuge/laguna_atascosa

Black-bellied Whistling Duck

Dendrocygna autumnalis

Fulvous Whistling Duck

Dendrocygna bicolor

Anser caerulescens

Blue-winged Teal

Spatula discors

Northern Shoveler

Spatula clypeata

Mareca strepera

American Wigeon

Mareca americana

Anas platyrhynchos

Northern Pintail

Aythya valisineria

Aythya americana

Ring-necked Duck

Aythya collaris

Hooded Merganser

Lophodytes cucullatus

Red-breasted Merganser

Mergus serrator

Oxyura jamaicensis

Plain Chachalaca

Northern Bobwhite

Colinus virginianus

Meleagris gallopavo

Common Nighthawk

Chordeiles minor

Nyctidromus albicollis

Chuck-will's-widow

Antrostomus carolinensis

Chaetura pelagica

White-throated Swift

Aeronautes saxatalis

Black-chinned Hummingbird

Archilochus alexandri

Ruby-throated Hummingbird

Archilochus colubris

Buff-bellied Hummingbird

Amazilia yucatanensis

Groove-billed Ani

Crotophaga sulcirostris

Greater Roadrunner

Geococcyx californianus

Yellow-billed Cuckoo

Coccyzus americanus

Eurasian Collared Dove

Streptopelia decaocto

Common Ground Dove

Columbina passerina

White-tipped Dove

Leptotila verreauxi

Zenaida macroura

White-winged Dove

Zenaida asiatica

Rallus crepitans

Porzana carolina

Common Gallinule

Gallinula galeata

Fulica americana

Antigone canadensis

Tachybaptus dominicus

Pied-billed Grebe

Podilymbus podiceps

Black-necked Grebe

Podiceps nigricollis

American Flamingo

Phoenicopterus ruber

American Oystercatcher

Haematopus palliatus

Black-necked Stilt

Himantopus mexicanus

American Avocet

Recurvirostra americana

Pluvialis squatarola

Charadrius vociferus

Semipalmated Plover

Charadrius semipalmatus

Upland Sandpiper

Bartramia longicauda

Hudsonian Whimbrel

Numenius hudsonicus

Long-billed Curlew

Numenius americanus

Long-billed Dowitcher

Limnodromus scolopaceus

Gallinago delicata

Wilson's Phalarope

Phalaropus tricolor

Spotted Sandpiper

Actitis macularius

Solitary Sandpiper

Tringa solitaria

Lesser Yellowlegs

Tringa flavipes

Tringa semipalmata

Greater Yellowlegs

Tringa melanoleuca

Ruddy Turnstone

Arenaria interpres

Calidris canutus

Stilt Sandpiper

Calidris himantopus

Calidris alpina

Least Sandpiper

Calidris minutilla

White-rumped Sandpiper

Calidris fuscicollis

Western Sandpiper

Semipalmated Sandpiper

Calidris pusilla

Sternula antillarum

Gull-billed Tern

Gelochelidon nilotica

Hydroprogne caspia

Chlidonias niger

Sterna forsteri

Thalasseus sandvicensis

Thalasseus maximus

Leucophaeus atricilla

Franklin's Gull

Leucophaeus pipixcan

Ring-billed Gull

Larus delawarensis

Lesser Black-backed Gull

American Herring Gull

Larus smithsonianus

Mycteria americana

Magnificent Frigatebird

Fregata magnificens

Sula dactylatra

Anhinga anhinga

Neotropic Cormorant

Nannopterum brasilianum

Double-crested Cormorant

Nannopterum auritum

American White Ibis

Eudocimus albus

Plegadis falcinellus

White-faced Ibis

Roseate Spoonbill

American Bittern

Botaurus lentiginosus

Yellow-crowned Night Heron

Nyctanassa violacea

Black-crowned Night Heron

Nycticorax nycticorax

Little Blue Heron

Egretta caerulea

Tricolored Heron

Egretta tricolor

Egretta rufescens

Butorides virescens

Great Blue Heron

American White Pelican

Pelecanus erythrorhynchos

Pelecanus occidentalis

Coragyps atratus

Pandion haliaetus

White-tailed Kite

Elanus leucurus

Swallow-tailed Kite

Elanoides forficatus

Sharp-shinned Hawk

Accipiter striatus

Northern Harrier

Circus hudsonius

Mississippi Kite

Ictinia mississippiensis

Parabuteo unicinctus

Buteo plagiatus

Red-shouldered Hawk

Swainson's Hawk

Buteo swainsoni

American Barn Owl

Athene cunicularia

Great Horned Owl

Bubo virginianus

Eastern Screech Owl

Green Kingfisher

Chloroceryle americana

Ringed Kingfisher

Megaceryle torquata

Belted Kingfisher

Megaceryle alcyon

Golden-fronted Woodpecker

Melanerpes aurifrons

Yellow-bellied Sapsucker

Sphyrapicus varius

Ladder-backed Woodpecker

Dryobates scalaris

Crested Caracara

Caracara plancus

American Kestrel

Falco sparverius

Aplomado Falcon

Falco femoralis

Falco columbarius

Peregrine Falcon

Falco peregrinus

Northern Beardless Tyrannulet

Camptostoma imberbe

Sayornis phoebe

Olive-sided Flycatcher

Contopus cooperi

Eastern Wood Pewee

Contopus virens

Least Flycatcher

Empidonax minimus

Vermilion Flycatcher

Pyrocephalus rubinus

Pitangus sulphuratus

Tropical Kingbird

Tyrannus melancholicus

Couch's Kingbird

Tyrannus couchii

Scissor-tailed Flycatcher

Tyrannus forficatus

Eastern Kingbird

Tyrannus tyrannus

Dusky-capped Flycatcher

Myiarchus tuberculifer

Great Crested Flycatcher

Myiarchus crinitus

Brown-crested Flycatcher

Myiarchus tyrannulus

Vireo olivaceus

Eastern Warbling Vireo

Blue-headed Vireo

Vireo solitarius

White-eyed Vireo

Loggerhead Shrike

Lanius ludovicianus

Cyanocorax yncas

Tamaulipas Crow

Corvus imparatus

Chihuahuan Raven

Corvus cryptoleucus

Bombycilla cedrorum

Black-crested Titmouse

Baeolophus atricristatus

Auriparus flaviceps

Eremophila alpestris

Tachycineta bicolor

Hirundo rustica

Petrochelidon fulva

Campylorhynchus brunneicapillus

Salpinctes obsoletus

Cistothorus stellaris

Cistothorus palustris

Thryomanes bewickii

Thryothorus ludovicianus

Troglodytes hiemalis

Northern House Wren

Troglodytes aedon

Blue-grey Gnatcatcher

Polioptila caerulea

Red-breasted Nuthatch

Sitta canadensis

Dumetella carolinensis

Northern Mockingbird

Mimus polyglottos

Long-billed Thrasher

Toxostoma longirostre

Curve-billed Thrasher

Toxostoma curvirostre

Common Starling

Sturnus vulgaris

Swainson's Thrush

Catharus ustulatus

Catharus guttatus

Clay-colored Thrush

Passer domesticus

Sprague's Pipit

Anthus spragueii

Botteri's Sparrow

Peucaea botterii

Cassin's Sparrow

Peucaea cassinii

Grasshopper Sparrow

Ammodramus savannarum

Arremonops rufivirgatus

Chondestes grammacus

Chipping Sparrow

Spizella passerina

Clay-colored Sparrow

Spizella pallida

White-crowned Sparrow

Zonotrichia leucophrys

Pooecetes gramineus

Seaside Sparrow

Ammospiza maritima

Savannah Sparrow

Passerculus sandwichensis

Lincoln's Sparrow

Melospiza lincolnii

Melospiza georgiana

Yellow-breasted Chat

Yellow-headed Blackbird

Xanthocephalus xanthocephalus

Western Meadowlark

Sturnella neglecta

Eastern Meadowlark

Sturnella magna

Altamira Oriole

Icterus gularis

Baltimore Oriole

Icterus galbula

Icterus cucullatus

Icterus spurius

Red-winged Blackbird

Agelaius phoeniceus

Bronzed Cowbird

Molothrus aeneus

Brown-headed Cowbird

Quiscalus quiscula

Great-tailed Grackle

Quiscalus mexicanus

Seiurus aurocapilla

Worm-eating Warbler

Helmitheros vermivorum

Louisiana Waterthrush

Parkesia motacilla

Northern Waterthrush

Parkesia noveboracensis

Golden-winged Warbler

Vermivora chrysoptera

Black-and-white Warbler

Mniotilta varia

Tennessee Warbler

Leiothlypis peregrina

Orange-crowned Warbler

Leiothlypis celata

Nashville Warbler

Leiothlypis ruficapilla

Mourning Warbler

Geothlypis philadelphia

Kentucky Warbler

Geothlypis formosa

Common Yellowthroat

Geothlypis trichas

Setophaga citrina

American Redstart

Setophaga ruticilla

Northern Parula

Setophaga americana

Tropical Parula

Setophaga pitiayumi

Magnolia Warbler

Setophaga magnolia

Bay-breasted Warbler

Setophaga castanea

Mangrove Warbler

Setophaga petechia

Chestnut-sided Warbler

Setophaga pensylvanica

Setophaga palmarum

Setophaga coronata

Black-throated Grey Warbler

Setophaga nigrescens

Townsend's Warbler

Setophaga townsendi

Black-throated Green Warbler

Setophaga virens

Cardellina canadensis

Wilson's Warbler

Cardellina pusilla

Scarlet Tanager

Piranga olivacea

Rose-breasted Grosbeak

Pheucticus ludovicianus

Black-headed Grosbeak

Pheucticus melanocephalus

Northern Cardinal

Cardinalis cardinalis

Cardinalis sinuatus

Crimson-collared Grosbeak

Periporphyrus celaeno

Spiza americana

Cyanocompsa parellina

Passerina caerulea

Passerina cyanea

Painted Bunting

Passerina ciris

Branta canadensis

Branta hutchinsii

Greater White-fronted Goose

Anser albifrons

Cairina moschata

Spatula cyanoptera

Eurasian Wigeon

Mareca penelope

Melanitta perspicillata

Long-tailed Duck

Clangula hyemalis

Bucephala albeola

Common Goldeneye

Bucephala clangula

Lesser Nighthawk

Chordeiles acutipennis

Eastern Whip-poor-will

Antrostomus vociferus

Anna's Hummingbird

Rufous Hummingbird

Selasphorus rufus

Black-billed Cuckoo

Coccyzus erythropthalmus

Rallus limicola

Purple Gallinule

Porphyrio martinica

American Golden Plover

Pluvialis dominica

Charadrius melodus

Hudsonian Godwit

Limosa haemastica

Short-billed Dowitcher

Limnodromus griseus

American Woodcock

Red-necked Phalarope

Phalaropus lobatus

Buff-breasted Sandpiper

Calidris subruficollis

Baird's Sandpiper

Calidris bairdii

Pectoral Sandpiper

Calidris melanotos

Onychoprion fuscatus

Bonaparte's Gull

Chroicocephalus philadelphia

Larus hyperboreus

California Gull

Larus californicus

Northern Gannet

Sula leucogaster

Aquila chrysaetos

Haliaeetus leucocephalus

Broad-winged Hawk

Buteo platypterus

Zone-tailed Hawk

Buteo albonotatus

Ferruginous Hawk

Short-eared Owl

Northern Flicker

Colaptes auratus

Falco mexicanus

White-fronted Amazon

Amazona albifrons

Lilac-crowned Amazon

Amazona finschi

Red-lored Amazon

Amazona autumnalis

Red-crowned Amazon

Amazona viridigenalis

Yellow-headed Amazon

Amazona oratrix

Psittacara holochlorus

Sayornis nigricans

Yellow-bellied Flycatcher

Empidonax flaviventris

Acadian Flycatcher

Empidonax virescens

Willow Flycatcher

Empidonax traillii

Alder Flycatcher

Empidonax alnorum

Western Flycatcher

Empidonax difficilis

Western Kingbird

Tyrannus verticalis

Fork-tailed Flycatcher

Tyrannus savana

Ash-throated Flycatcher

Myiarchus cinerascens

Philadelphia Vireo

Vireo philadelphicus

Yellow-throated Vireo

Vireo flavifrons

Riparia riparia

Northern Rough-winged Swallow

Stelgidopteryx serripennis

American Cliff Swallow

Petrochelidon pyrrhonota

Golden-crowned Kinglet

Regulus satrapa

Oreoscoptes montanus

Toxostoma rufum

Eastern Bluebird

Hylocichla mustelina

Grey-cheeked Thrush

Catharus minimus

Catharus fuscescens

Turdus migratorius

Rufous-backed Thrush

Turdus rufopalliatus

Anthus rubescens

Haemorhous mexicanus

American Goldfinch

Lesser Goldfinch

Spinus psaltria

Black-throated Sparrow

Amphispiza bilineata

Calamospiza melanocorys

Spizella pusilla

Brewer's Sparrow

Spizella breweri

Harris's Sparrow

Zonotrichia querula

White-throated Sparrow

Zonotrichia albicollis

LeConte's Sparrow

Ammospiza leconteii

Melospiza melodia

Green-tailed Towhee

Pipilo chlorurus

Pipilo maculatus

Dolichonyx oryzivorus

Brewer's Blackbird

Euphagus cyanocephalus

Blue-winged Warbler

Vermivora cyanoptera

Prothonotary Warbler

Protonotaria citrea

Swainson's Warbler

Limnothlypis swainsonii

MacGillivray's Warbler

Geothlypis tolmiei

Cape May Warbler

Setophaga tigrina

Cerulean Warbler

Setophaga cerulea

Blackburnian Warbler

Setophaga fusca

Blackpoll Warbler

Setophaga striata

Black-throated Blue Warbler

Setophaga caerulescens

Setophaga pinus

Yellow-throated Warbler

Setophaga dominica

Prairie Warbler

Setophaga discolor

Setophaga occidentalis

Western Tanager

Piranga ludoviciana

Eurasian Whimbrel

Numenius phaeopus

Parasitic Jaeger

Stercorarius parasiticus

Pomarine Jaeger

Stercorarius pomarinus

Great Shearwater

Virginia Opossum

Didelphis virginiana

Mexican Long-nosed Armadillo

Dasypus mexicanus

Black-tailed Jackrabbit

Lepus californicus

Desert Cottontail

Sylvilagus audubonii

Eastern Cottontail

Sylvilagus floridanus

Eastern Fox Squirrel

Rio Grande Ground Squirrel

Ictidomys parvidens

Southern Plains Woodrat

Neotoma micropus

Hispid Cotton Rat

Sigmodon hispidus

Mephitis mephitis

Long-tailed Weasel

Neogale frenata

Northern Raccoon

Boselaphus tragocamelus

White-tailed Deer

Odocoileus virginianus

Eurasian Wild Pig

Leopardus pardalis

Common Bottlenose Dolphin

Tursiops truncatus

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