Central Valley, Costa Rica 1075 spp. recorded

At 3,432 meters, Irazú is Costa Rica's tallest active volcano — one of the few places on Earth where you can see both the Caribbean Sea and the Pacific Ocean on a clear day. Beyond the dramatic crater, the Prusia forest sector shelters endemic highland birds including the Volcano Junco and Volcano Hummingbird.

9.983° N   83.849° W

🦜 Nature

218 Species sighted
19,074 Verified sightings From 2019 to 2026
Oct Best month
DAILY SIGHTING PROBABILITY
<5%
Rare
5–20%
With luck
20–40%
Possible
40–70%
Likely
>70%
Very likely

⭐ Iconic Species

📊 Most Spotted

⭐ Iconic Species

📊 Most Spotted

📊 Most Spotted

+ 877 more species with insufficient data

Sighting Calendar

How many species you'd see in a day

25
Jan
25
Feb
25
Mar
28
Apr
24
May
26
Jun
22
Jul
23
Aug
22
Sep
29
Oct
24
Nov
25
Dec
🏕️ Experience

Essentials

EntrancePaid
TourismHigh
Typical stay
1
day
TrailsHard
World HeritageNo

Climate

Temp °C Rain mm
6°
242mm
6°
163mm
7°
143mm
8°
233mm
8°
472mm
8°
376mm
8°
345mm
8°
341mm
8°
386mm
8°
514mm
7°
503mm
7°
335mm
JanFebMarAprMayJunJulAugSepOctNovDec
0.0 ★★★★★ ★★★★★ Good

Wallace's Line Score

How good is this park for seeing wildlife?
🦜

Biodiversity

Very good

How rich is the wildlife?

4.2 Global avg
4.5 ★★★★★ ★★★★★
Species by taxon
🦅 Birds
617
🐒 Mammals
224
🦎 Reptiles
150
🐸 Amphibians
84
1075 Total Species
828 Global average across 316 parks
39 Threatened 98 Endemic
🔭

Sighting

Good

How likely to see animals?

3.6 Global avg
2.9 ★★★★★ ★★★★★
🎯
Top-12 Avg Probability
65% Global avg
73%
📊
Coverage (118 species at ≥5% of 1075 in the inventory)
25% Global avg
11%
🔀
Taxon variety in top 12 (12 bird)
50% Global avg
0%
🔭
Species per 10 outings (distinct species a visitor would meet over 10 outings — effort held equal across parks)
128 Global avg
73
🌟
Iconic-group species (≥15%) (every species from the 19 iconic groups — monkeys, cats, toucans, macaws, sloths, crocodilians… — not just the 4 highlighted above)
16 Global avg
4
⭐
High-prob species (>40%)
30 Global avg
26
🏕️

Experience

Good

How easy and pleasant is the visit?

3.8 Global avg
2.5 ★★★★★ ★★★★★
🌤️ Climate Harsh
Low
🎟️ Entrance Paid
Low
👥 Tourism High
Low
🥾 Trails Hard
Low
🌐 World Heritage No
—

Before you go

What animals can you see in Irazú Volcano National Park?

1,075 species

Irazú Volcano National Park has 1,075 recorded vertebrate species. The ones wildlife watchers report most often on a given day are Rufous-collared Sparrow (about 90%), Sooty Thrush (about 90%), Volcano Hummingbird (about 90%), Sooty-capped Bush-Tanager (about 80%) and Slaty Flowerpiercer (about 80%). Among mammals, the most-seen is Coyote (about 50%); among reptiles, Emerald Swift (about 50%); among amphibians, Blue-sided Tree Frog (about 10%).

When is the best time to visit Irazú Volcano National Park for wildlife?

March and October–December

In those months the park's 12 most-seen species average about 80% on a given day, against about 60% in May and July–September.

Can you see a Volcano Hummingbird in Irazú Volcano National Park?

Yes

About 90% of wildlife watchers report a Volcano Hummingbird sighting in Irazú Volcano National Park on a given day, based on 959 verified sightings from GBIF citizen-science data from 2019 to 2026. The best time is October and December–January (over 90%).

Can you see a Volcano Junco in Irazú Volcano National Park?

Yes

About 50% of wildlife watchers report a Volcano Junco sighting in Irazú Volcano National Park on a given day, based on 493 verified sightings from GBIF citizen-science data from 2019 to 2026. The best time is June and October (about 70%).

Can you see a Fiery-throated Hummingbird in Irazú Volcano National Park?

Yes

About 70% of wildlife watchers report a Fiery-throated Hummingbird sighting in Irazú Volcano National Park on a given day, based on 636 verified sightings from GBIF citizen-science data from 2019 to 2026. The best time is December to February (about 80%).

Can you see a Resplendent Quetzal in Irazú Volcano National Park?

Yes

About 40% of wildlife watchers report a Resplendent Quetzal sighting in Irazú Volcano National Park on a given day, based on 412 verified sightings from GBIF citizen-science data from 2019 to 2026. The best time is October and December (about 60%).

Where in Irazú Volcano National Park is wildlife easiest to see?

Around Sector Cráter

The richest sighting zone is around Sector Cráter, followed by Prusia, ranked by how many of the park's headline animals visitors can expect to see in each. See the zones on the map.

Is Irazú Volcano National Park good for wildlife watching?

3.4 out of 5

On the Wallace's Line Score, Irazú Volcano National Park rates 3.4/5: 228th of 316 parks worldwide and 34th in Central America. 28 of its species are reported by about 40% or more of wildlife watchers on a given day.

⚖️

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