Lower Rio Grande Valley National Wildlife Refuge

Name: Lower Rio Grande Valley National Wildlife Refuge
Address: 2R35+G4 Starbase, Starbase, Texas, 78521, United States

Wildlife Sanctuary · United States

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Photo © USFWS Headquarters

Photo © USFWS Headquarters — CC0 1.0 — Source: Wikimedia Commons

Month range All year round

JanFebMarAprMayJunJulAugSepOctNovDec

Presence Rare Very rare

322 species · Top 322 recorded

Groove-billed Ani

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Crotophaga sulcirostris

Groove-billed AniCrotophaga sulcirostris

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Marsh Wren

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Cistothorus palustris

Marsh WrenCistothorus palustris

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Grey Catbird

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Dumetella carolinensis

Grey CatbirdDumetella carolinensis

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Yellow-bellied Flycatcher

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Empidonax flaviventris

Yellow-bellied FlycatcherEmpidonax flaviventris

Northern MockingbirdMimus polyglottos

Wilson's PhalaropePhalaropus tricolor

Purple MartinProgne subis

Red-winged BlackbirdAgelaius phoeniceus

Blue GrosbeakPasserina caerulea

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Louisiana Waterthrush

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Parkesia motacilla

Louisiana WaterthrushParkesia motacilla

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Greater White-fronted Goose

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Anser albifrons

Greater White-fronted GooseAnser albifrons

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Long-billed Thrasher

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Toxostoma longirostre

Long-billed ThrasherToxostoma longirostre

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Green Kingfisher

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Chloroceryle americana

Green KingfisherChloroceryle americana

Rufous HummingbirdSelasphorus rufus

Common NighthawkChordeiles minor

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Great Crested Flycatcher

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Myiarchus crinitus

Great Crested FlycatcherMyiarchus crinitus

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Northern Rough-winged Swallow

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Stelgidopteryx serripennis

Northern Rough-winged SwallowStelgidopteryx serripennis

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Olive Sparrow

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Arremonops rufivirgatus

Olive SparrowArremonops rufivirgatus

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American Oystercatcher

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Haematopus palliatus

American OystercatcherHaematopus palliatus

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Fulvous Whistling Duck

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Dendrocygna bicolor

Fulvous Whistling DuckDendrocygna bicolor

Eastern KingbirdTyrannus tyrannus

Swamp SparrowMelospiza georgiana

BobcatLynx rufus

Cedar WaxwingBombycilla cedrorum

Franklin's GullLeucophaeus pipixcan

Least TernSternula antillarum

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Yellow-throated Warbler

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Setophaga dominica

Yellow-throated WarblerSetophaga dominica

Baird's SandpiperCalidris bairdii

SanderlingCalidris alba

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Grasshopper Sparrow

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Ammodramus savannarum

Grasshopper SparrowAmmodramus savannarum

Least SandpiperCalidris minutilla

Wild TurkeyMeleagris gallopavo

Chimney SwiftChaetura pelagica

Chihuahuan RavenCorvus cryptoleucus

Aplomado FalconFalco femoralis

Great Blue HeronArdea herodias

Hudsonian GodwitLimosa haemastica

Botteri's SparrowPeucaea botterii

Cave SwallowPetrochelidon fulva

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American Cliff Swallow

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Petrochelidon pyrrhonota

American Cliff SwallowPetrochelidon pyrrhonota

Black SkimmerRynchops niger

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Red-crowned Amazon

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Amazona viridigenalis

Red-crowned AmazonAmazona viridigenalis

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Buff-breasted Sandpiper

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Calidris subruficollis

Buff-breasted SandpiperCalidris subruficollis

Greater ScaupAythya marila

Masked BoobySula dactylatra

Blackburnian WarblerSetophaga fusca

KilldeerCharadrius vociferus

House SparrowPasser domesticus

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Brown-crested Flycatcher

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Myiarchus tyrannulus

Brown-crested FlycatcherMyiarchus tyrannulus

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Magnificent Frigatebird

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Fregata magnificens

Magnificent FrigatebirdFregata magnificens

OspreyPandion haliaetus

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Black-legged Kittiwake

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Rissa tridactyla

Black-legged KittiwakeRissa tridactyla

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Sandwich Tern

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Thalasseus sandvicensis

Sandwich TernThalasseus sandvicensis

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Curve-billed Thrasher

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Toxostoma curvirostre

Curve-billed ThrasherToxostoma curvirostre

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Black-crested Titmouse

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Baeolophus atricristatus

Black-crested TitmouseBaeolophus atricristatus

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Brewer's Blackbird

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Euphagus cyanocephalus

Brewer's BlackbirdEuphagus cyanocephalus

Roseate SpoonbillPlatalea ajaja

MallardAnas platyrhynchos

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Lesser Nighthawk

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Chordeiles acutipennis

Lesser NighthawkChordeiles acutipennis

Eastern BluebirdSialia sialis

Black-necked GrebePodiceps nigricollis

Wood StorkMycteria americana

Cinnamon TealSpatula cyanoptera

RedheadAythya americana

California GullLarus californicus

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Bonaparte's Gull

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Chroicocephalus philadelphia

Bonaparte's GullChroicocephalus philadelphia

Turkey VultureCathartes aura

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Bridled Tern

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Onychoprion anaethetus

Bridled TernOnychoprion anaethetus

American RedstartSetophaga ruticilla

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Black-and-white Warbler

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Mniotilta varia

Black-and-white WarblerMniotilta varia

Vesper SparrowPooecetes gramineus

Plain ChachalacaOrtalis vetula

Common Ground DoveColumbina passerina

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Black-bellied Whistling Duck

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Dendrocygna autumnalis

Black-bellied Whistling DuckDendrocygna autumnalis

Palm WarblerSetophaga palmarum

American CootFulica americana

BuffleheadBucephala albeola

Red-necked PhalaropePhalaropus lobatus

Wood DuckAix sponsa

VerdinAuriparus flaviceps

Common LoonGavia immer

Ruddy DuckOxyura jamaicensis

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Worm-eating Warbler

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Helmitheros vermivorum

Worm-eating WarblerHelmitheros vermivorum

Northern ShovelerSpatula clypeata

Orchard OrioleIcterus spurius

Forster's TernSterna forsteri

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American Bittern

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Botaurus lentiginosus

American BitternBotaurus lentiginosus

PyrrhuloxiaCardinalis sinuatus

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Mississippi Kite

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Ictinia mississippiensis

Mississippi KiteIctinia mississippiensis

DunlinCalidris alpina

WilletTringa semipalmata

Hudsonian WhimbrelNumenius hudsonicus

Sooty TernOnychoprion fuscatus

Little GullHydrocoloeus minutus

Not enough data

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White-crowned Sparrow

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Zonotrichia leucophrys

White-crowned SparrowZonotrichia leucophrys

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Red-breasted Merganser

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Mergus serrator

Red-breasted MerganserMergus serrator

Green JayCyanocorax yncas

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Nilgai

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Boselaphus tragocamelus

NilgaiBoselaphus tragocamelus

Wood ThrushHylocichla mustelina

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Golden-winged Warbler

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Vermivora chrysoptera

Golden-winged WarblerVermivora chrysoptera

Grey PloverPluvialis squatarola

Ruddy TurnstoneArenaria interpres

Great KiskadeePitangus sulphuratus

SoraPorzana carolina

Northern FlickerColaptes auratus

Northern BobwhiteColinus virginianus

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Greater Roadrunner

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Geococcyx californianus

Greater RoadrunnerGeococcyx californianus

Blue-winged WarblerVermivora cyanoptera

Swainson's ThrushCatharus ustulatus

Little Blue HeronEgretta caerulea

Hooded OrioleIcterus cucullatus

AnhingaAnhinga anhinga

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Black-crowned Night Heron

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Nycticorax nycticorax

Black-crowned Night HeronNycticorax nycticorax

Black VultureCoragyps atratus

Magnolia WarblerSetophaga magnolia

Clapper RailRallus crepitans

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Semipalmated Plover

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Charadrius semipalmatus

Semipalmated PloverCharadrius semipalmatus

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Rose-breasted Grosbeak

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Pheucticus ludovicianus

Rose-breasted GrosbeakPheucticus ludovicianus

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Chuck-will's-widow

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Antrostomus carolinensis

Chuck-will's-widowAntrostomus carolinensis

Red-shouldered HawkButeo lineatus

Mangrove WarblerSetophaga petechia

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Surf Scoter

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Melanitta perspicillata

Surf ScoterMelanitta perspicillata

Northern RaccoonProcyon lotor

Bronzed CowbirdMolothrus aeneus

Broad-winged HawkButeo platypterus

White-faced IbisPlegadis chihi

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Least Grebe

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Tachybaptus dominicus

Least GrebeTachybaptus dominicus

Eastern MeadowlarkSturnella magna

Monk ParakeetMyiopsitta monachus

Caspian TernHydroprogne caspia

Philadelphia VireoVireo philadelphicus

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Brown Pelican

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Pelecanus occidentalis

Brown PelicanPelecanus occidentalis

Willow FlycatcherEmpidonax traillii

Prothonotary WarblerProtonotaria citrea

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Fork-tailed Flycatcher

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Tyrannus savana

Fork-tailed FlycatcherTyrannus savana

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Gulf Coast Kangaroo Rat

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Dipodomys compactus

Gulf Coast Kangaroo RatDipodomys compactus

Piping PloverCharadrius melodus

White-tipped DoveLeptotila verreauxi

Marbled GodwitLimosa fedoa

Virginia RailRallus limicola

Pied-billed GrebePodilymbus podiceps

Northern GannetMorus bassanus

Inca DoveColumbina inca

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Double-crested Cormorant

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Nannopterum auritum

Double-crested CormorantNannopterum auritum

Red-eyed VireoVireo olivaceus

White-winged DoveZenaida asiatica

Common StarlingSturnus vulgaris

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Golden-fronted Woodpecker

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Melanerpes aurifrons

Golden-fronted WoodpeckerMelanerpes aurifrons

Wilson's SnipeGallinago delicata

Purple SandpiperCalidris maritima

Gelochelidon nilotica

Gull-billed TernGelochelidon nilotica

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Black-throated Green Warbler

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Setophaga virens

Black-throated Green WarblerSetophaga virens

Striped SkunkMephitis mephitis

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Eurasian Collared Dove

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Streptopelia decaocto

Eurasian Collared DoveStreptopelia decaocto

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Common Bottlenose Dolphin

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Tursiops truncatus

Common Bottlenose DolphinTursiops truncatus

GadwallMareca strepera

Altamira OrioleIcterus gularis

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American White Pelican

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Pelecanus erythrorhynchos

American White PelicanPelecanus erythrorhynchos

Ringed KingfisherMegaceryle torquata

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Neotropic Cormorant

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Nannopterum brasilianum

Neotropic CormorantNannopterum brasilianum

Indigo BuntingPasserina cyanea

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Carolina Wren

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Thryothorus ludovicianus

Carolina WrenThryothorus ludovicianus

American RobinTurdus migratorius

Sooty ShearwaterArdenna grisea

Northern HarrierCircus hudsonius

Couch's KingbirdTyrannus couchii

Myrtle WarblerSetophaga coronata

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Ruby-throated Hummingbird

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Archilochus colubris

Ruby-throated HummingbirdArchilochus colubris

Seaside SparrowAmmospiza maritima

Eurasian WhimbrelNumenius phaeopus

VeeryCatharus fuscescens

Ring-necked DuckAythya collaris

Rock DoveColumba livia

DickcisselSpiza americana

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Great Black-backed Gull

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Larus marinus

Great Black-backed GullLarus marinus

Grey-cheeked ThrushCatharus minimus

Loggerhead ShrikeLanius ludovicianus

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White-tailed Deer

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Odocoileus virginianus

White-tailed DeerOdocoileus virginianus

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Orange-crowned Warbler

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Leiothlypis celata

Orange-crowned WarblerLeiothlypis celata

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Long-billed Dowitcher

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Limnodromus scolopaceus

Long-billed DowitcherLimnodromus scolopaceus

American White IbisEudocimus albus

Ferruginous HawkButeo regalis

Acadian FlycatcherEmpidonax virescens

Short-eared OwlAsio flammeus

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Black-billed Cuckoo

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Coccyzus erythropthalmus

Black-billed CuckooCoccyzus erythropthalmus

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Chestnut-sided Warbler

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Setophaga pensylvanica

Chestnut-sided WarblerSetophaga pensylvanica

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White-rumped Sandpiper

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Calidris fuscicollis

White-rumped SandpiperCalidris fuscicollis

Upland SandpiperBartramia longicauda

Northern PintailAnas acuta

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Scissor-tailed Flycatcher

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Tyrannus forficatus

Scissor-tailed FlycatcherTyrannus forficatus

CoyoteCanis latrans

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Yellow-bellied Sapsucker

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Sphyrapicus varius

Yellow-bellied SapsuckerSphyrapicus varius

Red KnotCalidris canutus

Sabine's GullXema sabini

Solitary SandpiperTringa solitaria

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Short-billed Dowitcher

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Limnodromus griseus

Short-billed DowitcherLimnodromus griseus

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Eastern Warbling Vireo

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Vireo gilvus

Eastern Warbling VireoVireo gilvus

Lapland LongspurCalcarius lapponicus

Swainson's HawkButeo swainsoni

American PipitAnthus rubescens

Reddish EgretEgretta rufescens

Clay-colored ThrushTurdus grayi

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Lesser Black-backed Gull

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Larus fuscus

Lesser Black-backed GullLarus fuscus

Western KingbirdTyrannus verticalis

House FinchHaemorhous mexicanus

American Barn OwlTyto furcata

Black ScoterMelanitta americana

Great EgretArdea alba

Pectoral SandpiperCalidris melanotos

Harris's HawkParabuteo unicinctus

Eurasian TealAnas crecca

American WigeonMareca americana

Sand MartinRiparia riparia

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American Herring Gull

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Larus smithsonianus

American Herring GullLarus smithsonianus

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Northern Waterthrush

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Parkesia noveboracensis

Northern WaterthrushParkesia noveboracensis

Purple GallinulePorphyrio martinica

Green HeronButorides virescens

Bewick's WrenThryomanes bewickii

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Yellow-crowned Night Heron

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Nyctanassa violacea

Yellow-crowned Night HeronNyctanassa violacea

Swallow-tailed KiteElanoides forficatus

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Yellow-headed Blackbird

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Xanthocephalus xanthocephalus

Yellow-headed BlackbirdXanthocephalus xanthocephalus

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Cactus Wren

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Campylorhynchus brunneicapillus

Cactus WrenCampylorhynchus brunneicapillus

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North American Beaver

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Castor canadensis

North American BeaverCastor canadensis

White-eyed VireoVireo griseus

Brown-headed CowbirdMolothrus ater

Common TernSterna hirundo

Northern House WrenTroglodytes aedon

Lesser YellowlegsTringa flavipes

Western TanagerPiranga ludoviciana

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Tropical Kingbird

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Tyrannus melancholicus

Tropical KingbirdTyrannus melancholicus

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American Golden Plover

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Pluvialis dominica

American Golden PloverPluvialis dominica

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Northern Cardinal

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Cardinalis cardinalis

Northern CardinalCardinalis cardinalis

White-tailed KiteElanus leucurus

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Blue-grey Gnatcatcher

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Polioptila caerulea

Blue-grey GnatcatcherPolioptila caerulea

Pine WarblerSetophaga pinus

Spotted SandpiperActitis macularius

Northern ParulaSetophaga americana

Lesser GoldfinchSpinus psaltria

Belted KingfisherMegaceryle alcyon

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Green Parakeet

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Psittacara holochlorus

Green ParakeetPsittacara holochlorus

Peregrine FalconFalco peregrinus

American KestrelFalco sparverius

Common YellowthroatGeothlypis trichas

Tricolored HeronEgretta tricolor

Eastern PhoebeSayornis phoebe

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Buff-bellied Hummingbird

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Amazilia yucatanensis

Buff-bellied HummingbirdAmazilia yucatanensis

Long-billed CurlewNumenius americanus

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Lark Bunting

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Calamospiza melanocorys

Lark BuntingCalamospiza melanocorys

Eastern Wood PeweeContopus virens

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Yellow-throated Vireo

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Vireo flavifrons

Yellow-throated VireoVireo flavifrons

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American Avocet

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Recurvirostra americana

American AvocetRecurvirostra americana

Horned LarkEremophila alpestris

Tree SwallowTachycineta bicolor

Black-necked StiltHimantopus mexicanus

Yellow-breasted ChatIcteria virens

Black PhoebeSayornis nigricans

Lazuli BuntingPasserina amoena

Blue-headed VireoVireo solitarius

Glaucous GullLarus hyperboreus

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Tennessee Warbler

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Leiothlypis peregrina

Tennessee WarblerLeiothlypis peregrina

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Olive-sided Flycatcher

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Contopus cooperi

Olive-sided FlycatcherContopus cooperi

Sprague's PipitAnthus spragueii

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Laughing Gull

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Leucophaeus atricilla

Laughing GullLeucophaeus atricilla

Common GallinuleGallinula galeata

Snow GooseAnser caerulescens

Least FlycatcherEmpidonax minimus

Red-tailed HawkButeo jamaicensis

OvenbirdSeiurus aurocapilla

Hermit ThrushCatharus guttatus

Ring-billed GullLarus delawarensis

Wilson's WarblerCardellina pusilla

Blackpoll WarblerSetophaga striata

Scarlet TanagerPiranga olivacea

Great-tailed GrackleQuiscalus mexicanus

American GoldfinchSpinus tristis

Chipping SparrowSpizella passerina

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Pomarine Jaeger

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Stercorarius pomarinus

Pomarine JaegerStercorarius pomarinus

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Golden-crowned Kinglet

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Regulus satrapa

Golden-crowned KingletRegulus satrapa

Muscovy DuckCairina moschata

Snowy EgretEgretta thula

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Spotted Ground Squirrel

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Xerospermophilus spilosoma

Spotted Ground SquirrelXerospermophilus spilosoma

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Semipalmated Sandpiper

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Calidris pusilla

Semipalmated SandpiperCalidris pusilla

Summer TanagerPiranga rubra

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Black-tailed Jackrabbit

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Lepus californicus

Black-tailed JackrabbitLepus californicus

Mottled DuckAnas fulvigula

Mourning DoveZenaida macroura

Painted BuntingPasserina ciris

Lincoln's SparrowMelospiza lincolnii

Alder FlycatcherEmpidonax alnorum

Cassin's SparrowPeucaea cassinii

Baltimore OrioleIcterus galbula

Royal TernThalasseus maximus

Western MeadowlarkSturnella neglecta

Clay-colored SparrowSpizella pallida

Greater YellowlegsTringa melanoleuca

Yellow-billed CuckooCoccyzus americanus

Brown NoddyAnous stolidus

Western SandpiperCalidris mauri

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Parasitic Jaeger

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Stercorarius parasiticus

Parasitic JaegerStercorarius parasiticus

Ross's GooseAnser rossii

Kentucky WarblerGeothlypis formosa

Barn SwallowHirundo rustica

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Pauraque

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Nyctidromus albicollis

PauraqueNyctidromus albicollis

Great Horned OwlBubo virginianus

CanvasbackAythya valisineria

Lark SparrowChondestes grammacus

Black TernChlidonias niger

Brown BoobySula leucogaster

Lesser ScaupAythya affinis

Vermilion FlycatcherPyrocephalus rubinus

Sharp-shinned HawkAccipiter striatus

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Savannah Sparrow

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Passerculus sandwichensis

Savannah SparrowPasserculus sandwichensis

MerlinFalco columbarius

Blue-winged TealSpatula discors

Stilt SandpiperCalidris himantopus

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Black-throated Sparrow

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Amphispiza bilineata

Black-throated SparrowAmphispiza bilineata

Hooded WarblerSetophaga citrina

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Ladder-backed Woodpecker

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Dryobates scalaris

Ladder-backed WoodpeckerDryobates scalaris

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Nashville Warbler

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Leiothlypis ruficapilla

Nashville WarblerLeiothlypis ruficapilla

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Canada Warbler

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Cardellina canadensis

Canada WarblerCardellina canadensis

Sandhill CraneAntigone canadensis

Eastern Screech OwlMegascops asio

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