Chassahowitzka National Wildlife Refuge

Wildlife Sanctuary · United States

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Photo © Joyce Kleen; U.S. Fish and Wildlife Service Southeast Region

Photo © Joyce Kleen; U.S. Fish and Wildlife Service Southeast Region — CC0 1.0 — Source: Wikimedia Commons

Where the Gulf of Mexico's coastal marshes dissolve into brackish tidal flats and mangrove thickets, the Chassahowitzka National Wildlife Sanctuary near Homosassa represents one of Florida's most ecologically intact estuarine systems. The refuge spreads across shallow bays, salt marshes, and dense mangrove forests that fringe the Gulf, creating a landscape shaped entirely by tidal rhythms and the constant interplay of freshwater and marine environments. This is subtropical coastal habitat in its purest form—warm year-round with no dry season, the refuge receives rainfall distributed fairly evenly across the calendar, ensuring perpetual water abundance and lush vegetation. The waterways teem with wading birds and seabirds that hunt in the shallows, while birds of prey patrol the marsh edges at dawn and dusk. Fish-eating raptors navigate the open water, and the mangrove canopy shelters roosting colonies. Small mammals adapted to wetland life move through the dense understory, and the tidal zone itself pulses with crustaceans and mollusks that form the base of an intricate food web.

For wildlife photographers and serious birders, Chassahowitzka demands a boat—and rewards that effort with intimate access to species and behaviors impossible to observe from shore. The sanctuary's shallow draft waters and protected channels allow low-impact exploration, while the estuary's geography naturally concentrates waders and hunters where tidal currents funnel prey into predictable feeding zones. Light here is extraordinary: early morning brings that golden Gulf luminescence across flat water, ideal for capturing reflections and silhouettes. The absence of a true dry season means wildlife activity remains consistent throughout the year, though seasonal shifts in water temperature and prey availability do trigger notable changes in visitor species composition. To experience Chassahowitzka properly is to understand why Florida's Gulf coast remains one of North America's premier destinations for wetland wildlife observation—a place where every tide brings renewal and where the mangrove forest's architectural complexity creates endless photographic geometry.

Website fws.gov/chassahowitzka

Haliaeetus leucocephalus

Black-bellied Whistling Duck

Dendrocygna autumnalis

Spatula cyanoptera

Blue-winged Teal

Spatula discors

Anas platyrhynchos

Northern Pintail

Aythya americana

Melanitta perspicillata

Melanitta americana

Bucephala albeola

Common Goldeneye

Bucephala clangula

Hooded Merganser

Lophodytes cucullatus

Red-breasted Merganser

Mergus serrator

Northern Bobwhite

Colinus virginianus

Meleagris gallopavo

Common Nighthawk

Chordeiles minor

Chuck-will's-widow

Antrostomus carolinensis

Ruby-throated Hummingbird

Archilochus colubris

Yellow-billed Cuckoo

Coccyzus americanus

Eurasian Collared Dove

Streptopelia decaocto

Common Ground Dove

Columbina passerina

Zenaida macroura

White-winged Dove

Zenaida asiatica

Rallus crepitans

Rallus limicola

Porzana carolina

Common Gallinule

Gallinula galeata

Fulica americana

Antigone canadensis

Aramus guarauna

Pied-billed Grebe

Podilymbus podiceps

Podiceps auritus

American Flamingo

Phoenicopterus ruber

American Oystercatcher

Haematopus palliatus

American Avocet

Recurvirostra americana

Pluvialis squatarola

Charadrius vociferus

Semipalmated Plover

Charadrius semipalmatus

Short-billed Dowitcher

Limnodromus griseus

American Woodcock

Gallinago delicata

Spotted Sandpiper

Actitis macularius

Lesser Yellowlegs

Tringa flavipes

Tringa semipalmata

Greater Yellowlegs

Tringa melanoleuca

Ruddy Turnstone

Arenaria interpres

Calidris canutus

Stilt Sandpiper

Calidris himantopus

Calidris alpina

Purple Sandpiper

Calidris maritima

Least Sandpiper

Calidris minutilla

Pectoral Sandpiper

Calidris melanotos

Western Sandpiper

Semipalmated Sandpiper

Calidris pusilla

Gull-billed Tern

Gelochelidon nilotica

Hydroprogne caspia

Chlidonias niger

Sterna forsteri

Thalasseus maximus

Bonaparte's Gull

Chroicocephalus philadelphia

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

Anhinga anhinga

Double-crested Cormorant

Nannopterum auritum

American White Ibis

Eudocimus albus

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

Swallow-tailed Kite

Elanoides forficatus

Sharp-shinned Hawk

Accipiter striatus

Northern Harrier

Circus hudsonius

Mississippi Kite

Ictinia mississippiensis

Short-tailed Hawk

Buteo brachyurus

Red-tailed Hawk

Buteo jamaicensis

Great Horned Owl

Bubo virginianus

Eastern Screech Owl

Belted Kingfisher

Megaceryle alcyon

Red-headed Woodpecker

Melanerpes erythrocephalus

Red-bellied Woodpecker

Melanerpes carolinus

Yellow-bellied Sapsucker

Sphyrapicus varius

Downy Woodpecker

Dryobates pubescens

Pileated Woodpecker

Dryocopus pileatus

Crested Caracara

Caracara plancus

American Kestrel

Falco sparverius

Falco columbarius

Peregrine Falcon

Falco peregrinus

Melopsittacus undulatus

Sayornis phoebe

Eastern Wood Pewee

Contopus virens

Acadian Flycatcher

Empidonax virescens

Least Flycatcher

Empidonax minimus

Scissor-tailed Flycatcher

Tyrannus forficatus

Eastern Kingbird

Tyrannus tyrannus

Tyrannus dominicensis

Great Crested Flycatcher

Myiarchus crinitus

Vireo olivaceus

Yellow-throated Vireo

Vireo flavifrons

Blue-headed Vireo

Vireo solitarius

White-eyed Vireo

Loggerhead Shrike

Lanius ludovicianus

Cyanocitta cristata

Corvus brachyrhynchos

Corvus ossifragus

Bombycilla cedrorum

Tufted Titmouse

Baeolophus bicolor

Carolina Chickadee

Poecile carolinensis

Tachycineta bicolor

Northern Rough-winged Swallow

Stelgidopteryx serripennis

Hirundo rustica

Cistothorus palustris

Thryothorus ludovicianus

Northern House Wren

Troglodytes aedon

Blue-grey Gnatcatcher

Polioptila caerulea

Dumetella carolinensis

Northern Mockingbird

Mimus polyglottos

Toxostoma rufum

Common Starling

Sturnus vulgaris

Hylocichla mustelina

Catharus guttatus

Catharus fuscescens

Turdus migratorius

Passer domesticus

Haemorhous mexicanus

American Goldfinch

Bachman's Sparrow

Peucaea aestivalis

Grasshopper Sparrow

Ammodramus savannarum

LeConte's Sparrow

Ammospiza leconteii

Seaside Sparrow

Ammospiza maritima

Nelson's Sparrow

Ammospiza nelsoni

Saltmarsh Sparrow

Ammospiza caudacuta

Henslow's Sparrow

Centronyx henslowii

Savannah Sparrow

Passerculus sandwichensis

Melospiza georgiana

Pipilo erythrophthalmus

Eastern Meadowlark

Sturnella magna

Icterus cucullatus

Icterus spurius

Red-winged Blackbird

Agelaius phoeniceus

Brewer's Blackbird

Euphagus cyanocephalus

Quiscalus quiscula

Boat-tailed Grackle

Quiscalus major

Seiurus aurocapilla

Louisiana Waterthrush

Parkesia motacilla

Northern Waterthrush

Parkesia noveboracensis

Black-and-white Warbler

Mniotilta varia

Prothonotary Warbler

Protonotaria citrea

Tennessee Warbler

Leiothlypis peregrina

Orange-crowned Warbler

Leiothlypis celata

Common Yellowthroat

Geothlypis trichas

Setophaga citrina

American Redstart

Setophaga ruticilla

Cape May Warbler

Setophaga tigrina

Northern Parula

Setophaga americana

Magnolia Warbler

Setophaga magnolia

American Yellow Warbler

Setophaga aestiva

Setophaga palmarum

Setophaga pinus

Setophaga coronata

Prairie Warbler

Setophaga discolor

Black-throated Grey Warbler

Setophaga nigrescens

Scarlet Tanager

Piranga olivacea

Rose-breasted Grosbeak

Pheucticus ludovicianus

Northern Cardinal

Cardinalis cardinalis

Passerina caerulea

Passerina cyanea

Branta canadensis

Anser cygnoides

Cairina moschata

Northern Shoveler

Spatula clypeata

Mareca strepera

American Wigeon

Mareca americana

Aythya valisineria

Ring-necked Duck

Aythya collaris

White-winged Scoter

Melanitta deglandi

Long-tailed Duck

Clangula hyemalis

Oxyura jamaicensis

Eastern Whip-poor-will

Antrostomus vociferus

Chaetura pelagica

Purple Gallinule

Porphyrio martinica

Black-necked Stilt

Himantopus mexicanus

Charadrius melodus

Hudsonian Whimbrel

Numenius hudsonicus

Bar-tailed Godwit

Limosa lapponica

Hudsonian Godwit

Limosa haemastica

Long-billed Dowitcher

Limnodromus scolopaceus

Solitary Sandpiper

Tringa solitaria

White-rumped Sandpiper

Calidris fuscicollis

Onychoprion fuscatus

Sternula antillarum

Great Black-backed Gull

Parasitic Jaeger

Stercorarius parasiticus

Pomarine Jaeger

Stercorarius pomarinus

Red-throated Loon

Northern Gannet

Plegadis falcinellus

Broad-winged Hawk

Buteo platypterus

American Barn Owl

Short-eared Owl

Red-cockaded Woodpecker

Leuconotopicus borealis

Hairy Woodpecker

Leuconotopicus villosus

Myiopsitta monachus

Olive-sided Flycatcher

Contopus cooperi

Yellow-bellied Flycatcher

Empidonax flaviventris

Vermilion Flycatcher

Pyrocephalus rubinus

Tropical Kingbird

Tyrannus melancholicus

Western Kingbird

Tyrannus verticalis

Ash-throated Flycatcher

Myiarchus cinerascens

Philadelphia Vireo

Vireo philadelphicus

Florida Scrub Jay

Aphelocoma coerulescens

Riparia riparia

American Cliff Swallow

Petrochelidon pyrrhonota

Petrochelidon fulva

Golden-crowned Kinglet

Regulus satrapa

Troglodytes hiemalis

Brown-headed Nuthatch

Red-breasted Nuthatch

Sitta canadensis

Certhia americana

Swainson's Thrush

Catharus ustulatus

Grey-cheeked Thrush

Catharus minimus

Anthus rubescens

Haemorhous purpureus

Chipping Sparrow

Spizella passerina

Clay-colored Sparrow

Spizella pallida

Spizella pusilla

Dark-eyed Junco

White-crowned Sparrow

Zonotrichia leucophrys

White-throated Sparrow

Zonotrichia albicollis

Pooecetes gramineus

Melospiza melodia

Lincoln's Sparrow

Melospiza lincolnii

Yellow-breasted Chat

Dolichonyx oryzivorus

Baltimore Oriole

Icterus galbula

Brown-headed Cowbird

Rusty Blackbird

Euphagus carolinus

Worm-eating Warbler

Helmitheros vermivorum

Golden-winged Warbler

Vermivora chrysoptera

Blue-winged Warbler

Vermivora cyanoptera

Nashville Warbler

Leiothlypis ruficapilla

Connecticut Warbler

Oporornis agilis

Kentucky Warbler

Geothlypis formosa

Cerulean Warbler

Setophaga cerulea

Bay-breasted Warbler

Setophaga castanea

Blackburnian Warbler

Setophaga fusca

Chestnut-sided Warbler

Setophaga pensylvanica

Blackpoll Warbler

Setophaga striata

Black-throated Blue Warbler

Setophaga caerulescens

Black-throated Green Warbler

Setophaga virens

Wilson's Warbler

Cardellina pusilla

Spiza americana

Painted Bunting

Passerina ciris

Fulvous Whistling Duck

Dendrocygna bicolor

Helmeted Guineafowl

Numida meleagris

Eurasian Whimbrel

Numenius phaeopus

Wilson's Phalarope

Phalaropus tricolor

Rostrhamus sociabilis

Nanday Parakeet

Aratinga nenday

Eastern Warbling Vireo

Swainson's Warbler

Limnothlypis swainsonii

Mangrove Warbler

Setophaga petechia

West Indian Manatee

Trichechus manatus

Virginia Opossum

Didelphis virginiana

Eastern Cottontail

Sylvilagus floridanus

Eastern Gray Squirrel

Sciurus carolinensis

Eastern Fox Squirrel

Cotton Deermouse

Peromyscus gossypinus

Hispid Cotton Rat

Sigmodon hispidus

North American River Otter

Lontra canadensis

Northern Raccoon

White-tailed Deer

Odocoileus virginianus

Eurasian Wild Pig

Perimyotis subflavus

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