Skip to content
WAnimals
  • Map
  • Species
  • Parks
  • Diving
Log inCreate account
WAnimals

The guide for travellers and animal lovers: discover, plan and share your wild adventures around the world.

Discover wildlife

  • Species
  • Ecosystems
  • Glossary
  • Tags

Explore places

  • Map
  • Countries
  • Parks
  • Diving

Plan experiences

  • Guides

Learn

  • Blog

Resources

  • Help centre
  • Contact
  • Install the app

Follow us

Account

  • Log in
  • Create account

© 2026 WAnimals. All rights reserved.

About usHow we build our profilesTerms of servicePrivacyLegal notice
MapSpeciesParksDiving
  1. Home
  2. Parks
  3. Argentina
  4. Pre-Delta
Pre-Delta, Argentina

Pre-Delta

National Park
Mesopotamia (Entre Ríos)Designated in 199125 km²
Spotted something wrong?

It protects the beginning of the Paraná River delta, with islands that appear and vanish with the river's flood regime

Area

25 km²

Protection category

IUCN II

Parque nacional —

Designated in

1991

Declared in 1991, Pre-Delta protects the reach where the delta of the Paraná River begins to form, one of the largest deltaic systems in the world, with a landscape of river islands constantly appearing and vanishing with the river's flood regime, in an active geomorphological process that goes on shaping the park's landscape year after year.

Location

Loading map…

Pre-Delta: 46 documented species

Mammals12Birds20Reptiles8Amphibians

Flora and ecosystems

Ecosystems found in Argentina, where Pre-Delta lies.

Tropical rainforestDesertWetland

Experiences in this park

Birdwatching

Wildlife you can see now

What is worth looking out for this month in Argentina?

Now is a good time: Intentional stranding of killer whales at Peninsula Valdes (March and April at Punta Norte; October and November at Caleta Valdes)

Now is a good time: Intentional stranding of killer whales at Peninsula Valdes (March and April at Punta Norte; October and November at Caleta Valdes)

Now is a good time: Intentional stranding of killer whales at Peninsula Valdes (March and April at Punta Norte; October and November at Caleta Valdes)

Similar parks

Which other parks are like this one?

Same country: Argentina

Same country: Argentina

Same country: Argentina

Same country: Argentina

Keep exploring

Based on what we already know about this park.

Comments

Share your experience visiting Pre-Delta, or a tip for other travellers.

Be the first to comment.

Region

Mesopotamia (Entre Ríos)

Climate

Tropical, Arid / desert, Temperate, Polar / cold, Mountain

Best season

October to March

Plan your visit

Best season
October to March
Area
25 km²
See location
1
Fish1
Arachnida2
Insecta2

Threatened:,,

Now is a good time: Southern right whales at Peninsula Valdes (June to December (peak Jul-Oct))

Argentina · Mesopotamia (Entre Ríos)
what the IUCN categories mean
See on the interactive map→
Southern Elephant SealVulnerable

Southern Elephant Seal

Mirounga leonina

Killer WhaleEndangered

Killer Whale

Orcinus orca

South American Sea LionLeast Concern

South American Sea Lion

Otaria flavescens

National Park

Río Pilcomayo

Argentina

Maned Wolf · Broad-snouted Caiman

October to March

See park
TalampayaUNESCO
National Park

Talampaya

Argentina

Andean Condor · Guanaco

October to March

See park
Perito Moreno (Santa Cruz)
National Park

Perito Moreno (Santa Cruz)

Argentina

Huemul · choique (Darwin's rhea)

October to March

See park
National Park

Campo de los Alisos

Argentina

Taruca · Black-horned Capuchin

October to March

See park
CountryArgentina

AI-generated image: an illustration, not a photograph.

This page in other languages: Español · Deutsch · Français · Português · Italiano
More places in Argentina
Marsh Deer
Red-Footed Tortoise
Yellow Cardinal
Turquoise-fronted AmazonNear Threatened

Turquoise-fronted Amazon

Amazona aestiva

Yellow AnacondaLeast Concern

Yellow Anaconda

Eunectes notaeus

Buff-Necked IbisLeast Concern

Buff-Necked Ibis

Theristicus caudatus

Great KiskadeeLeast Concern

Great Kiskadee

Pitangus sulphuratus

Rainbow BoaLeast Concern

Rainbow Boa

Epicrates cenchria

Southern ScreamerLeast Concern

Southern Screamer

Chauna torquata

Marsh DeerVulnerable

Marsh Deer

Blastocerus dichotomus

Black-necked SwanLeast Concern

Black-necked Swan

Cygnus melancoryphus

CoypuLeast Concern

Coypu

Myocastor coypus

Monk ParakeetLeast Concern

Monk Parakeet

Myiopsitta monachus

Common DolphinfishLeast Concern

Common Dolphinfish

Coryphaena hippurus

Cocoi HeronLeast Concern

Cocoi Heron

Ardea cocoi

See all 46 species found here
Southern Right WhaleLeast Concern

Southern Right Whale

Eubalaena australis

Freshwater