El Impenetrable National Park

🇦🇷 Argentina

🐆 Jaguar Trails in the Dry Chaco
🌍 #48 Global · 4.5 ★★★★★ ★★★★★ #6 in South America #31 in Savanna & Grassland
Gran Chaco, Argentina 614 spp. recorded

El Impenetrable National Park is a tropical savanna in the Gran Chaco of Argentina, a mosaic of dense dry forest, palm‑groves and seasonally flooded lowlands. The landscape supports a mix of towering quebracho trees and open grass patches that give way to water‑filled depressions where the broad‑snouted caiman basks.

-24.998° S   61.119° W

Wildlife

SIGHTING PROBABILITY Share of citizen-science records from the park that report this species
<5%
Rare5–20%
With luck20–40%
Possible40–70%
Likely>70%
Very likely
ACTIVITY PATTERN
☀️ Diurnal 🌙 Nocturnal 🌅 Crepuscular ☀️🌙 Day & Night

⭐ Iconic Species

South American Tapir ★
VU

South American Tapir

☀️ Diurnal Mammal

Tapirus terrestris

60–70% · Likely
Jaguar ★
NT

Jaguar

☀️ Diurnal Mammal

Panthera onca

20–30% · Possible
Giant Anteater ★
VU

Giant Anteater

🌅 Crepuscular Mammal

Myrmecophaga tridactyla

30–40% · Possible
Broad-snouted Caiman ★
LC

Broad-snouted Caiman

☀️ Diurnal Reptile

Caiman latirostris

60–70% · Likely

📊 Most Spotted

Brazilian Cardinal

Brazilian Cardinal

☀️ Diurnal Bird

Paroaria coronata

80–90% · Very likely
Chaco Chachalaca
LC

Chaco Chachalaca

☀️ Diurnal Bird

Ortalis canicollis

80–90% · Very likely
Monk Parakeet
LC

Monk Parakeet

☀️ Diurnal Bird

Myiopsitta monachus

70–80% · Very likely
Blue-gray Saltator
LC

Blue-gray Saltator

☀️ Diurnal Bird

Saltator coerulescens

70–80% · Very likely
Pearly-vented Tody-Tyrant
LC

Pearly-vented Tody-Tyrant

☀️ Diurnal Bird

Hemitriccus margaritaceiventer

70–80% · Very likely
Narrow-billed Woodcreeper
LC

Narrow-billed Woodcreeper

☀️ Diurnal Bird

Lepidocolaptes angustirostris

70–80% · Likely
Picazuro Pigeon
LC

Picazuro Pigeon

☀️ Diurnal Bird

Patagioenas picazuro

60–70% · Likely
White-tipped Dove
LC Endemic

White-tipped Dove

☀️ Diurnal Bird

Leptotila verreauxi

60–70% · Likely
Golden-billed Saltator
LC

Golden-billed Saltator

☀️ Diurnal Bird

Saltator aurantiirostris

60–70% · Likely
Great Kiskadee
LC

Great Kiskadee

☀️ Diurnal Bird

Pitangus sulphuratus

60–70% · Likely
Great Antshrike
LC

Great Antshrike

☀️ Diurnal Bird

Taraba major

60–70% · Likely
Blue-and-yellow Tanager

Blue-and-yellow Tanager

☀️ Diurnal Bird

Rauenia bonariensis

60–70% · Likely

⭐ Iconic Species

South American Tapir ★
VU

South American Tapir

☀️ Diurnal Mammal

Tapirus terrestris

60–70% · Likely
Jaguar ★
NT

Jaguar

☀️ Diurnal Mammal

Panthera onca

20–30% · Possible
Giant Anteater ★
VU

Giant Anteater

🌅 Crepuscular Mammal

Myrmecophaga tridactyla

30–40% · Possible

📊 Most Spotted

Chacoan Mara
LC

Chacoan Mara

🌅 Crepuscular Mammal

Dolichotis salinicola

50–60% · Likely
Southern Three-banded Armadillo
NT

Southern Three-banded Armadillo

☀️🌙 Day & Night Mammal

Tolypeutes matacus

50–60% · Likely
White-lipped Peccary
VU

White-lipped Peccary

☀️ Diurnal Mammal

Tayassu pecari

40–50% · Likely
Black Howler
NT

Black Howler

☀️ Diurnal Mammal

Alouatta caraya

40–50% · Likely
Capybara
LC

Capybara

☀️ Diurnal Mammal

Hydrochoerus hydrochaeris

30–40% · Possible
Collared Peccary
Endemic

Collared Peccary

☀️ Diurnal Mammal

Pecari tajacu

30–40% · Possible
Tapeti
LC

Tapeti

🌅 Crepuscular Mammal

Sylvilagus brasiliensis

20–30% · Possible
Crab-eating Fox
LC

Crab-eating Fox

🌅 Crepuscular Mammal

Cerdocyon thous

20–30% · Possible
Mountain Lion
LC

Mountain Lion

☀️ Diurnal Mammal

Puma concolor

20–30% · Possible
Common Yellow-toothed Cavy

Common Yellow-toothed Cavy

☀️ Diurnal Mammal

Galea musteloides

20–30% · Possible
Southern Tamandua
LC

Southern Tamandua

☀️🌙 Day & Night Mammal

Tamandua tetradactyla

Insufficient data
Six-banded Armadillo
LC

Six-banded Armadillo

☀️ Diurnal Mammal

Euphractus sexcinctus

Insufficient data

📊 Most Spotted

Brazilian Cardinal

Brazilian Cardinal

☀️ Diurnal Bird

Paroaria coronata

80–90% · Very likely
Chaco Chachalaca
LC

Chaco Chachalaca

☀️ Diurnal Bird

Ortalis canicollis

80–90% · Very likely
Monk Parakeet
LC

Monk Parakeet

☀️ Diurnal Bird

Myiopsitta monachus

70–80% · Very likely
Blue-gray Saltator
LC

Blue-gray Saltator

☀️ Diurnal Bird

Saltator coerulescens

70–80% · Very likely
Pearly-vented Tody-Tyrant
LC

Pearly-vented Tody-Tyrant

☀️ Diurnal Bird

Hemitriccus margaritaceiventer

70–80% · Very likely
Narrow-billed Woodcreeper
LC

Narrow-billed Woodcreeper

☀️ Diurnal Bird

Lepidocolaptes angustirostris

70–80% · Likely
Picazuro Pigeon
LC

Picazuro Pigeon

☀️ Diurnal Bird

Patagioenas picazuro

60–70% · Likely
White-tipped Dove
LC Endemic

White-tipped Dove

☀️ Diurnal Bird

Leptotila verreauxi

60–70% · Likely
Golden-billed Saltator
LC

Golden-billed Saltator

☀️ Diurnal Bird

Saltator aurantiirostris

60–70% · Likely
Great Kiskadee
LC

Great Kiskadee

☀️ Diurnal Bird

Pitangus sulphuratus

60–70% · Likely
Great Antshrike
LC

Great Antshrike

☀️ Diurnal Bird

Taraba major

60–70% · Likely
Blue-and-yellow Tanager

Blue-and-yellow Tanager

☀️ Diurnal Bird

Rauenia bonariensis

60–70% · Likely

⭐ Iconic Species

Broad-snouted Caiman ★
LC

Broad-snouted Caiman

☀️ Diurnal Reptile

Caiman latirostris

60–70% · Likely

📊 Most Spotted

Painted Lancehead
LC

Painted Lancehead

☀️🌙 Day & Night Reptile

Bothrops diporus

40–50% · Likely
Amazon Racerunner
LC

Amazon Racerunner

☀️ Diurnal Reptile

Ameiva ameiva

40–50% · Possible
Four-toed Tegu
LC

Four-toed Tegu

☀️ Diurnal Reptile

Teius teyou

30–40% · Possible
Cope's Mabuya
LC

Cope's Mabuya

☀️ Diurnal Reptile

Notomabuya frenata

30–40% · Possible
Spiny Lava Lizard
LC

Spiny Lava Lizard

☀️ Diurnal Reptile

Tropidurus spinulosus

30–40% · Possible
Scorpion Mud Turtle

Scorpion Mud Turtle

☀️🌙 Day & Night Reptile

Kinosternon scorpioides

30–40% · Possible
Chilean Tortoise
VU

Chilean Tortoise

☀️ Diurnal Reptile

Chelonoidis chilensis

Insufficient data
Etheridge's Lava Lizard
LC

Etheridge's Lava Lizard

☀️ Diurnal Reptile

Tropidurus etheridgei

Insufficient data
Red Tegu
LC

Red Tegu

☀️ Diurnal Reptile

Salvator rufescens

Insufficient data
Red-Footed Tortoise

Red-Footed Tortoise

☀️ Diurnal Reptile

Chelonoidis carbonarius

Insufficient data
Banded Hognose Snake
LC

Banded Hognose Snake

🌅 Crepuscular Reptile

Xenodon pulcher

Insufficient data
Argentinian Rainbow Boa
NT

Argentinian Rainbow Boa

☀️🌙 Day & Night Reptile

Epicrates alvarezi

Insufficient data

📊 Most Spotted

Vizcacheras' White-lipped Frog
LC

Vizcacheras' White-lipped Frog

🌙 Nocturnal Amphibian

Leptodactylus bufonius

40–50% · Possible
Mato Grosso Snouted Tree Frog
LC

Mato Grosso Snouted Tree Frog

🌙 Nocturnal Amphibian

Scinax acuminatus

30–40% · Possible
Cururu Toad
LC Endemic

Cururu Toad

🌙 Nocturnal Amphibian

Rhinella diptycha

30–40% · Possible
Miranda's White-lipped Frog
LC

Miranda's White-lipped Frog

🌙 Nocturnal Amphibian

Leptodactylus macrosternum

20–30% · Possible
Chaco Tree Frog
LC

Chaco Tree Frog

🌙 Nocturnal Amphibian

Boana raniceps

20–30% · Possible
Sapito De Haro
LC

Sapito De Haro

🌙 Nocturnal Amphibian

Elachistocleis haroi

Insufficient data
Lesser Snouted Tree Frog
LC

Lesser Snouted Tree Frog

🌙 Nocturnal Amphibian

Scinax nasicus

Insufficient data
Muller's Termite Frog
LC

Muller's Termite Frog

☀️🌙 Day & Night Amphibian

Dermatonotus muelleri

Insufficient data
Chaco Granulated Toad

Chaco Granulated Toad

🌙 Nocturnal Amphibian

Rhinella major

Insufficient data
🐸 No photo available
LC

Cei's Escuerzo

🌙 Nocturnal Amphibian

Odontophrynus lavillai

Insufficient data
Budgett's Frog
LC

Budgett's Frog

🌙 Nocturnal Amphibian

Lepidobatrachus laevis

Insufficient data
Chacoan Horned Frog
LC

Chacoan Horned Frog

🌙 Nocturnal Amphibian

Ceratophrys cranwelli

Insufficient data

Animal Events

🐊

Caiman Lagoon Congregation

AugSepOct

Broad-snouted caimans congregate and bask at shrinking dry-season lagoons along the Bermejo and Bermejito rivers, the phenomenon that names the Pozo del Yacaré trail.

Broad-snouted Caiman
LC

Broad-snouted Caiman

☀️ Diurnal Reptile

Caiman latirostris

60–70% · Likely
🐜

Dry-Season Waterhole Gatherings

AugSepOct

In the Chaco dry season, tapirs and giant anteaters concentrate at the remaining lagoons and waterholes, watched from the park's viewing blinds on the Pozo del Yacaré trail.

Giant Anteater
VU

Giant Anteater

🌅 Crepuscular Mammal

Myrmecophaga tridactyla

30–40% · Possible
South American Tapir
VU

South American Tapir

☀️ Diurnal Mammal

Tapirus terrestris

60–70% · Likely
🐦

Waterbird Breeding

SepOctNov

Austral spring breeding season for the Chaco wetlands' large birds — jabiru storks and turquoise-fronted amazons nest and are at their most active along the Bermejo floodplain.

Jabiru
LC

Jabiru

☀️ Diurnal Bird

Jabiru mycteria

20–30% · Possible
Blue-fronted Parrot
NT

Blue-fronted Parrot

☀️ Diurnal Bird

Amazona aestiva

50–60% · Likely

Sighting Calendar

Chance of spotting each species, month by month

Months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Species Total
50–60
60–70
60–70
50–60
50–60
60–70
60–70
60–70
60–70
70–80
60–70
60–70
South American Tapir
20–30
30–40
30–40
30–40
20–30
60–70
40–50
80–90
70–80
70–80
70–80
40–50
Jaguar
30–40
60–70
10–20
10–20
10–20
40–50
5–10
5–10
5–10
30–40
40–50
5–10
Giant Anteater
30–40
10–20
50–60
10–20
10–20
20–30
40–50
40–50
10–20
30–40
30–40
5–10
Broad-snouted Caiman
50–60
70–80
60–70
70–80
30–40
60–70
60–70
80–90
70–80
70–80
50–60
40–50
Brazilian Cardinal
80–90
70–80
70–80
80–90
80–90
70–80
80–90
80–90
80–90
80–90
70–80
70–80
Chaco Chachalaca
70–80
60–70
70–80
60–70
70–80
70–80
90–100
80–90
80–90
80–90
80–90
80–90
Monk Parakeet
60–70
80–90
70–80
70–80
70–80
70–80
70–80
70–80
70–80
70–80
60–70
80–90
Blue-gray Saltator
60–70
70–80
70–80
70–80
70–80
70–80
70–80
70–80
70–80
80–90
70–80
80–90
Pearly-vented Tody-Tyrant
60–70
50–60
60–70
60–70
60–70
70–80
70–80
60–70
70–80
80–90
70–80
50–60
Narrow-billed Woodcreeper
60–70
60–70
60–70
70–80
60–70
60–70
80–90
60–70
60–70
70–80
60–70
70–80
Picazuro Pigeon
60–70
60–70
60–70
50–60
50–60
40–50
80–90
70–80
70–80
90–100
80–90
70–80
White-tipped Dove
60–70
60–70
60–70
50–60
60–70
70–80
50–60
60–70
70–80
80–90
80–90
70–80
Golden-billed Saltator
60–70
70–80
60–70
60–70
60–70
50–60
80–90
60–70
60–70
70–80
70–80
60–70
Great Kiskadee
60–70
80–90
60–70
70–80
60–70
60–70
70–80
50–60
60–70
60–70
60–70
70–80
Great Antshrike
60–70
50–60
60–70
60–70
60–70
80–90
60–70
60–70
50–60
80–90
60–70
60–70
Blue-and-yellow Tanager
50–60
40–50
50–60
60–70
50–60
60–70
60–70
60–70
70–80
70–80
60–70
60–70
Animal Events
🐜 Dry-Season Waterhole Gatherings
🐊 Caiman Lagoon Congregation
🐦 Waterbird Breeding

Sighting Zones

Warm areas are where all species together are recorded most, so they track where people go as much as where animals are. For one species, see the map on its own page.

0.0 ★★★★★ ★★★★★ World-class
🐆 Jaguar Trails in the Dry Chaco

Where Wildlife Score

How good is this park for seeing wildlife?
🦜

Biodiversity

Good

How rich is the wildlife?

4.3 Global avg
3.5 ★★★★★ ★★★★★
Species by taxon
🦅 Birds
384
🐒 Mammals
87
🦎 Reptiles
100
🐸 Amphibians
43
614 Total Species
850 Global average across 296 parks
13 Threatened 27 Endemic
🔭

Sighting

Excellent

How likely to see animals?

3.6 Global avg
5.0 ★★★★★ ★★★★★
🎯
Top-12 Avg Probability
62% Global avg
72%
📊
Coverage (258 species at ≥5% of 614 in the inventory)
24% Global avg
42%
🔀
Taxon variety in top 12 (11 bird, 1 reptile)
46% Global avg
20%
🔭
Species per 10 outings (distinct species a visitor would meet over 10 outings — effort held equal across parks)
134 Global avg
168
🌟
Iconic-group species (≥15%) (every species from the 19 iconic groups — monkeys, cats, toucans, macaws, sloths, crocodilians… — not just the 4 highlighted above)
15 Global avg
25
⭐
High-prob species (>40%)
27 Global avg
48

Quick answers

What animals can you see in El Impenetrable National Park?

The most likely sightings are Brazilian Cardinal (seen by 80–90% of wildlife watchers), Chaco Chachalaca (seen by 80–90% of wildlife watchers), Monk Parakeet (seen by 70–80% of wildlife watchers), Blue-gray Saltator (seen by 70–80% of wildlife watchers), Pearly-vented Tody-Tyrant (seen by 70–80% of wildlife watchers) — among 614 recorded vertebrate species, based on citizen-science data from GBIF.

When is the best time to visit El Impenetrable National Park for wildlife?

October has the highest combined sighting rate for the park's top species in our month-by-month GBIF data. The full sighting calendar on this page shows each species' best months.

Can you see South American Tapir in El Impenetrable National Park?

Yes — about 62% of wildlife watchers report a South American Tapir sighting in El Impenetrable National Park, based on 28 days of visitor records from GBIF citizen-science data.

Can you see Jaguar in El Impenetrable National Park?

Yes — about 28% of wildlife watchers report a Jaguar sighting in El Impenetrable National Park, based on 5 days of visitor records from GBIF citizen-science data.

Can you see Giant Anteater in El Impenetrable National Park?

Yes — about 33% of wildlife watchers report a Giant Anteater sighting in El Impenetrable National Park, based on 6 days of visitor records from GBIF citizen-science data.

Can you see Broad-snouted Caiman in El Impenetrable National Park?

Yes — about 69% of wildlife watchers report a Broad-snouted Caiman sighting in El Impenetrable National Park, based on 37 days of visitor records from GBIF citizen-science data.

⚖️

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