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World atlas

Marino Las Baulas National Park

National Park · Costa Rica

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Photo © Panegyrics of Granovetter

Photo © Panegyrics of Granovetter — CC BY-SA 4.0 — Source: Wikimedia Commons

ABOUT

Where the Pacific meets a mosaic of dry forest and mangrove estuary, this coastal national park protects one of Central America's most dynamic wildlife theatres. The park's landscape is defined by seasonal extremes—a pronounced dry season that strips the deciduous woodland to bare branches and concentrates wildlife around remaining water sources, followed by a brief but intense wet season that transforms the terrain. Tidal mudflats, brackish lagoons, and salt-tolerant scrub dominate the marine margin, while inland the terrain rises into lowland dry forest where trees have evolved deep root systems and drought-resistant foliage. This patchwork habitat hosts a rich community of waders and herons that work the shallows at dawn, raptors that hunt from exposed perches across the open canopy, and small mammals and reptiles adapted to exploit the feast-and-famine rhythm of the dry tropics. Howler monkeys' dawn chorus echoes through the remaining forest fragments, a acoustic signature of this region's primate assemblages. Marine turtles—the park's most celebrated residents—return to the beaches each season to nest, drawing scientists and conservationists alike to witness one of nature's most ancient migrations.

WILDLIFE

Black-bellied Whistling Duck

Dendrocygna autumnalis

Blue-winged Teal

Spatula discors

Plain-capped Starthroat

Heliomaster constantii

Ruby-throated Hummingbird

Archilochus colubris

Canivet's Emerald

Cynanthus canivetii

Blue-vented Hummingbird

Saucerottia hoffmanni

Cinnamon Hummingbird

Amazilia rutila

Groove-billed Ani

Crotophaga sulcirostris

Common Squirrel Cuckoo

Mangrove Cuckoo

Red-billed Pigeon

Patagioenas flavirostris

White-tipped Dove

Leptotila verreauxi

White-winged Dove

Zenaida asiatica

American Oystercatcher

Haematopus palliatus

Pluvialis squatarola

Semipalmated Plover

Charadrius semipalmatus

Southern Lapwing

Vanellus chilensis

Northern Jacana

Hudsonian Whimbrel

Numenius hudsonicus

Spotted Sandpiper

Actitis macularius

Wandering Tattler

Lesser Yellowlegs

Tringa flavipes

Tringa semipalmata

Greater Yellowlegs

Tringa melanoleuca

Ruddy Turnstone

Arenaria interpres

Least Sandpiper

Calidris minutilla

Pectoral Sandpiper

Calidris melanotos

Semipalmated Sandpiper

Calidris pusilla

Onychoprion anaethetus

Chlidonias niger

Thalasseus sandvicensis

Thalasseus elegans

Thalasseus maximus

Leucophaeus atricilla

Wedge-rumped Storm Petrel

Hydrobates tethys

Mycteria americana

Magnificent Frigatebird

Fregata magnificens

Anhinga anhinga

Neotropic Cormorant

Nannopterum brasilianum

Roseate Spoonbill

Bare-throated Tiger Heron

Tigrisoma mexicanum

Boat-billed Heron

Cochlearius cochlearius

Yellow-crowned Night Heron

Nyctanassa violacea

Little Blue Heron

Egretta caerulea

Tricolored Heron

Egretta tricolor

Egretta rufescens

Butorides virescens

Great Blue Heron

Pelecanus occidentalis

Coragyps atratus

Pandion haliaetus

Mississippi Kite

Ictinia mississippiensis

Ictinia plumbea

Rupornis magnirostris

Pacific Screech Owl

Megascops cooperi

Black-headed Trogon

Trogon melanocephalus

Amazon Kingfisher

Chloroceryle amazona

American Pygmy Kingfisher

Chloroceryle aenea

Green Kingfisher

Chloroceryle americana

Ringed Kingfisher

Megaceryle torquata

Belted Kingfisher

Megaceryle alcyon

Turquoise-browed Motmot

Eumomota superciliosa

White-necked Puffbird

Notharchus hyperrhynchus

Keel-billed Toucan

Ramphastos sulfuratus

Hoffmann's Woodpecker

Melanerpes hoffmannii

Crested Caracara

Caracara plancus

Laughing Falcon

Herpetotheres cachinnans

Peregrine Falcon

Falco peregrinus

Orange-chinned Parakeet

Brotogeris jugularis

White-fronted Amazon

Amazona albifrons

Orange-fronted Parakeet

Eupsittula canicularis

Ivory-billed Woodcreeper

Xiphorhynchus flavigaster

Common Tody-Flycatcher

Todirostrum cinereum

Yellow-olive Flatbill

Tolmomyias sulphurescens

Pitangus sulphuratus

Streaked Flycatcher

Myiodynastes maculatus

Boat-billed Flycatcher

Megarynchus pitangua

Tropical Kingbird

Tyrannus melancholicus

Scissor-tailed Flycatcher

Tyrannus forficatus

Dusky-capped Flycatcher

Myiarchus tuberculifer

Nutting's Flycatcher

Myiarchus nuttingi

Great Crested Flycatcher

Myiarchus crinitus

Brown-crested Flycatcher

Myiarchus tyrannulus

Rose-throated Becard

Pachyramphus aglaiae

Yellow-throated Vireo

Vireo flavifrons

White-throated Magpie-Jay

Cyanocorax formosus

Riparia riparia

Mangrove Swallow

Tachycineta albilinea

Hirundo rustica

Rufous-backed Wren

Campylorhynchus capistratus

Thryophilus pleurostictus

White-lored Gnatcatcher

Polioptila albiloris

Clay-colored Thrush

Stripe-headed Sparrow

Peucaea ruficauda

Streak-backed Oriole

Icterus pustulatus

Baltimore Oriole

Icterus galbula

Great-tailed Grackle

Quiscalus mexicanus

Northern Waterthrush

Parkesia noveboracensis

Prothonotary Warbler

Protonotaria citrea

Tennessee Warbler

Leiothlypis peregrina

Mangrove Warbler

Setophaga petechia

Painted Bunting

Passerina ciris

Morelet's Seedeater

Sporophila morelleti

Zone-tailed Hawk

Buteo albonotatus

Alder Flycatcher

Empidonax alnorum

Long-tailed Manakin

Chiroxiphia linearis

Yellow-throated Euphonia

Euphonia hirundinacea

American Yellow Warbler

Setophaga aestiva

Yellow-throated Warbler

Setophaga dominica

Thicket Tinamou

Crypturellus cinnamomeus

Cairina moschata

Plain Chachalaca

Penelope purpurascens

Spot-bellied Bobwhite

Colinus leucopogon

Lesser Nighthawk

Chordeiles acutipennis

Nyctidromus albicollis

White-collared Swift

Streptoprocne zonaris

Stripe-throated Hermit

Phaethornis striigularis

Green-breasted Mango

Anthracothorax prevostii

Scaly-breasted Hummingbird

Phaeochroa cuvierii

Rufous-tailed Hummingbird

Amazilia tzacatl

Blue-throated Sapphire

Chlorestes eliciae

Lesser Ground Cuckoo

Morococcyx erythropygus

Common Ground Dove

Columbina passerina

Plain-breasted Ground Dove

Columbina minuta

Ruddy Ground Dove

Columbina talpacoti

Blue Ground Dove

Claravis pretiosa

Grey-headed Dove

Leptotila plumbeiceps

Zenaida macroura

Rufous-necked Wood Rail

Aramides axillaris

Russet-naped Wood Rail

Aramides albiventris

Aramus guarauna

Tachybaptus dominicus

Black-necked Stilt

Himantopus mexicanus

American Golden Plover

Pluvialis dominica

Charadrius vociferus

Eurasian Whimbrel

Numenius phaeopus

Long-billed Curlew

Numenius americanus

Short-billed Dowitcher

Limnodromus griseus

Wilson's Phalarope

Phalaropus tricolor

Red-necked Phalarope

Phalaropus lobatus

Solitary Sandpiper

Tringa solitaria

Calidris virgata

Stilt Sandpiper

Calidris himantopus

Baird's Sandpiper

Calidris bairdii

Western Sandpiper

Gull-billed Tern

Gelochelidon nilotica

Hydroprogne caspia

Franklin's Gull

Leucophaeus pipixcan

Black Storm Petrel

Hydrobates melania

Sooty Shearwater

Galapagos Shearwater

Puffinus subalaris

Blue-footed Booby

Plegadis falcinellus

Black-crowned Night Heron

Nycticorax nycticorax

Sarcoramphus papa

Gampsonyx swainsonii

Grey-headed Kite

Leptodon cayanensis

Swallow-tailed Kite

Elanoides forficatus

Double-toothed Kite

Harpagus bidentatus

Great Black Hawk

Buteogallus urubitinga

Broad-winged Hawk

Buteo platypterus

Short-tailed Hawk

Buteo brachyurus

Ferruginous Pygmy Owl

Glaucidium brasilianum

Pulsatrix perspicillata

Gartered Trogon

Trogon caligatus

Lesson's Motmot

Momotus lessonii

Lineated Woodpecker

Dryocopus lineatus

Pale-billed Woodpecker

Campephilus guatemalensis

Collared Forest Falcon

Micrastur semitorquatus

Red-lored Amazon

Amazona autumnalis

Yellow-naped Amazon

Amazona auropalliata

Olivaceous Woodcreeper

Sittasomus griseicapillus

Ruddy Woodcreeper

Dendrocincla homochroa

Northern Barred Woodcreeper

Dendrocolaptes sanctithomae

Streak-headed Woodcreeper

Lepidocolaptes souleyetii

Barred Antshrike

Thamnophilus doliatus

Yellow-bellied Elaenia

Elaenia flavogaster

Northern Beardless Tyrannulet

Camptostoma imberbe

Slaty-headed Tody-Flycatcher

Poecilotriccus sylvia

Eastern Wood Pewee

Contopus virens

Northern Tropical Pewee

Contopus bogotensis

Yellow-bellied Flycatcher

Empidonax flaviventris

Social Flycatcher

Myiozetetes similis

Sulphur-bellied Flycatcher

Myiodynastes luteiventris

Western Kingbird

Tyrannus verticalis

Eastern Kingbird

Tyrannus tyrannus

Panama Flycatcher

Myiarchus panamensis

Tityra semifasciata

White-winged Becard

Pachyramphus polychopterus

Lesser Greenlet

Pachysylvia decurtata

Yellow-green Vireo

Vireo flavoviridis

Vireo olivaceus

Philadelphia Vireo

Vireo philadelphicus

Tachycineta bicolor

Grey-breasted Martin

Progne chalybea

Northern Rough-winged Swallow

Stelgidopteryx serripennis

Southern Rough-winged Swallow

Stelgidopteryx ruficollis

American Cliff Swallow

Petrochelidon pyrrhonota

Rufous-and-white Wren

Thryophilus rufalbus

Southern House Wren

Troglodytes musculus

Trilling Gnatwren

Ramphocaenus melanurus

White-browed Gnatcatcher

Polioptila bilineata

Tropical Mockingbird

Passer domesticus

Euphonia affinis

Yellow-crowned Euphonia

Euphonia luteicapilla

Eastern Meadowlark

Sturnella magna

Montezuma Oropendola

Psarocolius montezuma

Icterus spurius

Bronzed Cowbird

Molothrus aeneus

Melodious Blackbird

Black-and-white Warbler

Mniotilta varia

Grey-crowned Yellowthroat

Geothlypis poliocephala

Setophaga citrina

American Redstart

Setophaga ruticilla

Chestnut-sided Warbler

Setophaga pensylvanica

Chestnut-capped Warbler

Basileuterus delattrii

Western Tanager

Piranga ludoviciana

Rose-breasted Grosbeak

Pheucticus ludovicianus

Spiza americana

Blue-black Grosbeak

Cyanoloxia cyanoides

Passerina cyanea

Red-legged Honeycreeper

Cyanerpes cyaneus

Coereba flaveola

Blue-black Grassquit

Volatinia jacarina

Variable Seedeater

Sporophila corvina

Blue-grey Tanager

Thraupis episcopus

Thraupis palmarum

Golden-hooded Tanager

Stilpnia larvata

White-nosed Coati

Northern Tamandua

Tamandua mexicana

Alouatta palliata

Rhynchonycteris naso

Northern Raccoon

Megaptera novaeangliae

Pantropical Spotted Dolphin

Stenella attenuata

Common Bottlenose Dolphin

Tursiops truncatus

False Killer Whale

Pseudorca crassidens

View Complete List (248 more) →

COMMUNITY

0 Community observations

No community observations yet — be the first to log a sighting here.

Natural environment

Marino Las Baulas National Park

A marine setting shaped by the ocean rather than land elevation.

Usual climateMarine environmentMarine environment · Lowland

Average annual temperature 27.1 °C Average of the twelve monthly means

Average elevation 0 m Marine

Climate pattern Marine environment Main environment around this hotspot

A year of temperatures

Monthly means, with the coldest and warmest highlighted

Monthly minimum · October 26.5 °C Monthly maximum · April 28.3 °C

Global temperature scale

−40°−20°0°20°40°

Terrain and elevation

0 m · Marine

Average terrain elevation estimate across the hotspot; the figure does not represent its highest summits.

Elevation scale

0 m

02,0004,0006,0008,000m

Marine

Long-term climate averages, not live weather.

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