Saguaro National Park

National Park · United States

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Photo © Matthew T Rader

Photo © Matthew T Rader — CC BY-SA 4.0 — Source: Wikimedia Commons

Where the Sonoran Desert meets sky-island mountains, two geographically separated districts of Saguaro National Park sprawl across nearly two thousand square kilometers of Arizona's most iconic landscape. The east and west sections frame Tucson, each anchoring a distinct ecological character: the western reaches climb into bajada foothills studded with the park's namesake columnar cacti, their massive, upraised arms silhouetted against cinnamon-hued ridges, while eastward, the Rincon Mountains rise sharply, their higher slopes supporting mixed-conifer forest that gives way to desert scrub at lower elevations. This mosaic of habitat—from creosote-dominated flats to oak-juniper woodlands and rocky canyons—supports a richly adapted desert fauna. Arid-specialist mammals navigate the thorny understory after dark, while birds of prey hunt across open bajada and ridge, and migratory songbirds stage through in spring and autumn, taking advantage of the limited water and scattered legume trees. Reptiles thrive in the harsh heat; lizards and snakes are abundant and diverse, sheltering beneath rocks and in the shelter of the saguaros themselves, which have become keystone structures for nesting cavity-dwellers and perching predators alike.

For wildlife photographers and patient naturalists, Saguaro rewards both early morning and late-afternoon visits when desert creatures are most active and light rakes across the ancient cacti with saturated warmth. The park's two districts offer distinct seasonal rhythms: spring brings transient migrants and occasional cascades of wildflower bloom in favourable years, while autumn sees another wave of northbound movement. The higher Rincon section provides genuine relief during Tucson's brutal summer months, and its forested trails host very different assemblages than the sun-hammered bajadas. The west district's iconic Bajada Loop offers accessible vistas of the saguaro forest at its densest, while the east side's switchbacking canyons and ridgelines suit hikers seeking solitude and wider views. Whether watching for raptors circling thermals above the mountains or listening for nocturnal calls in the cooling desert evening, visitors will find themselves in one of the Southwest's most visually arresting and ecologically intricate protected landscapes.

Website nps.gov/sagu

Phone +1-520-733-5153

Aquila chrysaetos

Zenaida macroura

Haemorhous mexicanus

Greater Roadrunner

Geococcyx californianus

Gila Woodpecker

Melanerpes uropygialis

Auriparus flaviceps

Anna's Hummingbird

Phainopepla nitens

Lesser Goldfinch

Spinus psaltria

Broad-billed Hummingbird

Cynanthus latirostris

Anas platyrhynchos

Red-tailed Hawk

Buteo jamaicensis

Curve-billed Thrasher

Toxostoma curvirostre

Callipepla gambelii

Northern Cardinal

Cardinalis cardinalis

Campylorhynchus brunneicapillus

American Wigeon

Mareca americana

Melozone aberti

Northern Mockingbird

Mimus polyglottos

Black-throated Sparrow

Amphispiza bilineata

Eurasian Collared Dove

Streptopelia decaocto

Great Horned Owl

Bubo virginianus

Great-tailed Grackle

Quiscalus mexicanus

Cardinalis sinuatus

Neotropic Cormorant

Nannopterum brasilianum

Parabuteo unicinctus

Ladder-backed Woodpecker

Dryobates scalaris

Western Bluebird

Sialia mexicana

Ash-throated Flycatcher

Myiarchus cinerascens

Chondestes grammacus

Brown-crested Flycatcher

Myiarchus tyrannulus

Western Screech Owl

Megascops kennicottii

Great Blue Heron

Wilson's Warbler

Cardellina pusilla

Brewer's Blackbird

Euphagus cyanocephalus

Blue-grey Gnatcatcher

Polioptila caerulea

Brown-headed Cowbird

Lesser Nighthawk

Chordeiles acutipennis

Thryomanes bewickii

Passerina amoena

Melospiza melodia

Peregrine Falcon

Falco peregrinus

Catherpes mexicanus

Oxyura jamaicensis

Red-naped Sapsucker

Sphyrapicus nuchalis

Turdus migratorius

Red-winged Blackbird

Agelaius phoeniceus

Acorn Woodpecker

Melanerpes formicivorus

Cyanocitta stelleri

Bronzed Cowbird

Molothrus aeneus

White-winged Dove

Zenaida asiatica

Icterus cucullatus

Passer domesticus

Fulica americana

Costa's Hummingbird

Black-tailed Gnatcatcher

Polioptila melanura

Colaptes chrysoides

White-crowned Sparrow

Zonotrichia leucophrys

Ruby-crowned Kinglet

Corthylio calendula

Pied-billed Grebe

Podilymbus podiceps

American Kestrel

Falco sparverius

Salpinctes obsoletus

Woodhouse's Scrub Jay

Aphelocoma woodhouseii

Black-chinned Hummingbird

Archilochus alexandri

Common Starling

Sturnus vulgaris

Chipping Sparrow

Spizella passerina

Spotted Sandpiper

Actitis macularius

Loggerhead Shrike

Lanius ludovicianus

Sayornis nigricans

Belted Kingfisher

Megaceryle alcyon

Black-headed Grosbeak

Pheucticus melanocephalus

Charadrius vociferus

Brewer's Sparrow

Spizella breweri

Green-tailed Towhee

Pipilo chlorurus

Northern Flicker

Colaptes auratus

Double-crested Cormorant

Nannopterum auritum

Lincoln's Sparrow

Melospiza lincolnii

Dark-eyed Junco

Pandion haliaetus

Lewis's Woodpecker

Melanerpes lewis

Northern Shoveler

Spatula clypeata

Townsend's Solitaire

Myadestes townsendi

MacGillivray's Warbler

Geothlypis tolmiei

Plumbeous Vireo

Yellow-eyed Junco

Junco phaeonotus

Northern House Wren

Troglodytes aedon

Common Yellowthroat

Geothlypis trichas

Pipilo maculatus

Spatula cyanoptera

Vermilion Flycatcher

Pyrocephalus rubinus

Black-crowned Night Heron

Nycticorax nycticorax

American Yellow Warbler

Setophaga aestiva

Cassin's Kingbird

Tyrannus vociferans

Northern Rough-winged Swallow

Stelgidopteryx serripennis

Black-throated Grey Warbler

Setophaga nigrescens

American Cliff Swallow

Petrochelidon pyrrhonota

Setophaga coronata

Leiothlypis luciae

Western Kingbird

Tyrannus verticalis

Hirundo rustica

Orange-crowned Warbler

Leiothlypis celata

Western Tanager

Piranga ludoviciana

Mangrove Warbler

Setophaga petechia

Ring-necked Duck

Aythya collaris

Anser caerulescens

Bombycilla cedrorum

Aythya valisineria

Aythya americana

Contopus pertinax

Northern Pintail

Bucephala albeola

Common Merganser

Mergus merganser

Montezuma Quail

Cyrtonyx montezumae

Meleagris gallopavo

Common Poorwill

Phalaenoptilus nuttallii

Mexican Whip-poor-will

Antrostomus arizonae

White-throated Swift

Aeronautes saxatalis

Rivoli's Hummingbird

Eugenes fulgens

Blue-throated Mountaingem

Lampornis clemenciae

Rufous Hummingbird

Selasphorus rufus

Broad-tailed Hummingbird

Selasphorus platycercus

Band-tailed Pigeon

Patagioenas fasciata

Common Gallinule

Gallinula galeata

Aechmophorus occidentalis

Least Sandpiper

Calidris minutilla

Northern Harrier

Circus hudsonius

Common Black Hawk

Buteogallus anthracinus

Buteo plagiatus

Broad-winged Hawk

Buteo platypterus

Zone-tailed Hawk

Buteo albonotatus

Short-tailed Hawk

Buteo brachyurus

Swainson's Hawk

Buteo swainsoni

Micrathene whitneyi

Northern Saw-whet Owl

Aegolius acadicus

Mountain Pygmy Owl

Glaucidium gnoma

Williamson's Sapsucker

Sphyrapicus thyroideus

Yellow-bellied Sapsucker

Sphyrapicus varius

Arizona Woodpecker

Leuconotopicus arizonae

Hairy Woodpecker

Leuconotopicus villosus

Falco columbarius

Falco mexicanus

Northern Beardless Tyrannulet

Camptostoma imberbe

Olive-sided Flycatcher

Contopus cooperi

Western Wood Pewee

Contopus sordidulus

Hammond's Flycatcher

Empidonax hammondii

American Dusky Flycatcher

Empidonax oberholseri

American Grey Flycatcher

Empidonax wrightii

Western Flycatcher

Empidonax difficilis

Buff-breasted Flycatcher

Empidonax fulvifrons

Sulphur-bellied Flycatcher

Myiodynastes luteiventris

Dusky-capped Flycatcher

Myiarchus tuberculifer

Western Warbling Vireo

Vireo swainsoni

Aphelocoma wollweberi

Bridled Titmouse

Baeolophus wollweberi

Mountain Chickadee

Poecile gambeli

Violet-green Swallow

Tachycineta thalassina

American Bushtit

Psaltriparus minimus

Golden-crowned Kinglet

Regulus satrapa

Red-breasted Nuthatch

Sitta canadensis

Certhia americana

Oreoscoptes montanus

Crissal Thrasher

Toxostoma crissale

Catharus guttatus

Rufous-backed Thrush

Turdus rufopalliatus

Peucedramus taeniatus

Evening Grosbeak

Hesperiphona vespertina

Haemorhous cassinii

Loxia curvirostra

Cassin's Sparrow

Peucaea cassinii

Grasshopper Sparrow

Ammodramus savannarum

Calamospiza melanocorys

Black-chinned Sparrow

Spizella atrogularis

Pooecetes gramineus

Savannah Sparrow

Passerculus sandwichensis

Melospiza georgiana

Rufous-crowned Sparrow

Aimophila ruficeps

Yellow-breasted Chat

Icterus parisorum

Nashville Warbler

Leiothlypis ruficapilla

Virginia's Warbler

Leiothlypis virginiae

Magnolia Warbler

Setophaga magnolia

Grace's Warbler

Setophaga graciae

Townsend's Warbler

Setophaga townsendi

Setophaga occidentalis

Red-faced Warbler

Cardellina rubrifrons

Painted Whitestart

Myioborus pictus

Rose-breasted Grosbeak

Pheucticus ludovicianus

Passerina caerulea

Passerina versicolor

Black-bellied Whistling Duck

Dendrocygna autumnalis

Branta canadensis

Greater White-fronted Goose

Anser albifrons

Cygnus columbianus

Blue-winged Teal

Spatula discors

Mareca strepera

Eurasian Wigeon

Mareca penelope

Common Goldeneye

Bucephala clangula

Hooded Merganser

Lophodytes cucullatus

Common Pheasant

Phasianus colchicus

Common Nighthawk

Chordeiles minor

Buff-collared Nightjar

Antrostomus ridgwayi

Plain-capped Starthroat

Heliomaster constantii

Lucifer Sheartail

Calothorax lucifer

Calliope Hummingbird

Selasphorus calliope

Allen's Hummingbird

Selasphorus sasin

White-eared Hummingbird

Basilinna leucotis

Violet-crowned Hummingbird

Ramosomyia violiceps

Yellow-billed Cuckoo

Coccyzus americanus

Common Ground Dove

Columbina passerina

Rallus limicola

Porzana carolina

Purple Gallinule

Porphyrio martinica

Antigone canadensis

Black-necked Grebe

Podiceps nigricollis

Black-necked Stilt

Himantopus mexicanus

American Avocet

Recurvirostra americana

Semipalmated Plover

Charadrius semipalmatus

Long-billed Dowitcher

Limnodromus scolopaceus

Gallinago delicata

Red-necked Phalarope

Phalaropus lobatus

Solitary Sandpiper

Tringa solitaria

Lesser Yellowlegs

Tringa flavipes

Tringa semipalmata

Greater Yellowlegs

Tringa melanoleuca

Baird's Sandpiper

Calidris bairdii

Bonaparte's Gull

Chroicocephalus philadelphia

Ring-billed Gull

Larus delawarensis

White-faced Ibis

American White Pelican

Pelecanus erythrorhynchos

Coragyps atratus

Sharp-shinned Hawk

Accipiter striatus

Haliaeetus leucocephalus

Mississippi Kite

Ictinia mississippiensis

Red-shouldered Hawk

Ferruginous Hawk

American Barn Owl

Flammulated Owl

Psiloscops flammeolus

Coppery-tailed Trogon

Trogon ambiguus

Green Kingfisher

Chloroceryle americana

Red-breasted Sapsucker

Sphyrapicus ruber

Crested Caracara

Caracara plancus

Melopsittacus undulatus

Sayornis phoebe

Northern Tufted Flycatcher

Mitrephanes phaeocercus

Willow Flycatcher

Empidonax traillii

Pine Flycatcher

Empidonax affinis

Tropical Kingbird

Tyrannus melancholicus

Thick-billed Kingbird

Tyrannus crassirostris

Eastern Kingbird

Tyrannus tyrannus

Nutting's Flycatcher

Myiarchus nuttingi

Vireo olivaceus

Philadelphia Vireo

Vireo philadelphicus

Yellow-throated Vireo

Vireo flavifrons

Blue-headed Vireo

Vireo solitarius

Gymnorhinus cyanocephalus

Clark's Nutcracker

Nucifraga columbiana

Corvus brachyrhynchos

Chihuahuan Raven

Corvus cryptoleucus

Juniper Titmouse

Baeolophus ridgwayi

Riparia riparia

Tachycineta bicolor

Cistothorus palustris

Troglodytes hiemalis

Troglodytes pacificus

Dumetella carolinensis

Toxostoma rufum

Mountain Bluebird

Sialia currucoides

Eastern Bluebird

Ixoreus naevius

Hylocichla mustelina

Swainson's Thrush

Catharus ustulatus

American Dipper

Cinclus mexicanus

Anthus rubescens

Haemorhous purpureus

Lawrence's Goldfinch

Spinus lawrencei

American Goldfinch

Botteri's Sparrow

Peucaea botterii

Clay-colored Sparrow

Spizella pallida

Red Fox Sparrow

Passerella iliaca

Golden-crowned Sparrow

Zonotrichia atricapilla

Harris's Sparrow

Zonotrichia querula

White-throated Sparrow

Zonotrichia albicollis

Sagebrush Sparrow

Artemisiospiza nevadensis

Artemisiospiza belli

Baird's Sparrow

Centronyx bairdii

Yellow-headed Blackbird

Xanthocephalus xanthocephalus

Western Meadowlark

Sturnella neglecta

Chihuahuan Meadowlark

Sturnella lilianae

Baltimore Oriole

Icterus galbula

Icterus spurius

Rusty Blackbird

Euphagus carolinus

Quiscalus quiscula

Seiurus aurocapilla

Worm-eating Warbler

Helmitheros vermivorum

Louisiana Waterthrush

Parkesia motacilla

Northern Waterthrush

Parkesia noveboracensis

Blue-winged Warbler

Vermivora cyanoptera

Black-and-white Warbler

Mniotilta varia

Prothonotary Warbler

Protonotaria citrea

Tennessee Warbler

Leiothlypis peregrina

Kentucky Warbler

Geothlypis formosa

Setophaga citrina

American Redstart

Setophaga ruticilla

Cape May Warbler

Setophaga tigrina

Northern Parula

Setophaga americana

Bay-breasted Warbler

Setophaga castanea

Blackburnian Warbler

Setophaga fusca

Chestnut-sided Warbler

Setophaga pensylvanica

Blackpoll Warbler

Setophaga striata

Black-throated Blue Warbler

Setophaga caerulescens

Setophaga pinus

Yellow-throated Warbler

Setophaga dominica

Prairie Warbler

Setophaga discolor

Black-throated Green Warbler

Setophaga virens

Cardellina canadensis

Cardellina rubra

Slate-throated Whitestart

Myioborus miniatus

Spiza americana

Passerina cyanea

Callipepla squamata

Wilson's Phalarope

Phalaropus tricolor

Sterna forsteri

Strix occidentalis

White-eyed Vireo

Bendire's Thrasher

Toxostoma bendirei

Chestnut-collared Longspur

Calcarius ornatus

Rufous-capped Warbler

Basileuterus rufifrons

Yellow Grosbeak

Pheucticus chrysopeplus

American Black Bear

Ursus americanus

Desert Cottontail

Sylvilagus audubonii

Round-tailed Ground Squirrel

Xerospermophilus tereticaudus

Common Rock Squirrel

Otospermophilus variegatus

White-tailed Deer

Odocoileus virginianus

Odocoileus hemionus

Harris's Antelope Squirrel

Ammospermophilus harrisii

White-nosed Coati

Northern Raccoon

Black-tailed Jackrabbit

Lepus californicus

Ovis canadensis

Mephitis macroura

American Badger

American Hog-nosed Skunk

Conepatus leuconotus

Merriam's Kangaroo Rat

Dipodomys merriami

Antelope Jackrabbit

Mephitis mephitis

Virginia Opossum

Didelphis virginiana

Arizona Gray Squirrel

Sciurus arizonensis

Bassariscus astutus

Northern Gray Fox

Urocyon cinereoargenteus

Neotamias dorsalis

Abert's Squirrel

White-throated Woodrat

Neotoma albigula

Cactus Deermouse

Peromyscus eremicus

Arizona Cotton Rat

Sigmodon arizonae

Lesser Long-nosed Bat

Leptonycteris yerbabuenae

Pocketed Free-tailed Bat

Nyctinomops femorosaccus

Brazilian Free-tailed Bat

Tadarida brasiliensis

Common Pallid Bat

Antrozous pallidus

Parastrellus hesperus

Western Yellow Bat

Lasiurus xanthinus

Townsend's Big-eared Bat

Corynorhinus townsendii

Desert Pocket Mouse

Chaetodipus penicillatus

Mexican Long-tongued Bat

Choeronycteris mexicana

Eptesicus fuscus

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