Side-striped palm pit viper

Side-striped palm pit viper

Bothriechis lateralis

Silhouette: Steven Traver · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability ~10% · With luck
at Poás Volcano National Park

In 3 days ~40% in a week ~70%

7 Verified sightings at Poás Volcano National Park From 2019 to 2026
806 In all 7 parks
May Best month
🌅 Crepuscular When it's spotted

About the Side-striped palm pit viper

Common names: side-striped palm pitviper side-striped palm viper, more. Bothriechis lateralis is a pit viper species found in the mountains of Costa Rica and western Panama. No subspecies are currently recognized. Adult specimens may exceed 100 centimetres (39 in), but are usually less than 80 centimetres (31 in) in length. These are relatively slender snakes and have a prehensile tail.

The color pattern consists of an emerald green to bluish green ground color, overlaid with a series of yellow alternating paravertebral vertical bars. Some of the scales adjacent to the yellow in this pattern may be blue or black-tipped. The belly is a uniform yellowing-green, bordered on either side by a pale yellow stripe running along the lower portion of the paraventral scales and the extreme lateral part of the ventral scales. The head is uniformly green on top and a blue or blue-gray postocular stripe may be present. If a postocular stripe is present, it is weakly defined, especially in large adults. The iris is yellow.

Juvenile specimens are usually brown with dark brown markings on the head, bronze irises, postocular stripes, paravertebral makings that are edged with yellow... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
~70%
2 Chirripó National Park 🇨🇷 Costa Rica
~20%
3 Poás Volcano National Park 🇨🇷 Costa Rica
~10%
4 Braulio Carrillo National Park 🇨🇷 Costa Rica
~10%
5 Arenal Volcano National Park 🇨🇷 Costa Rica
~10%
6 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
~10%
7 La Amistad International Park (Panama) 🇵🇦 Panama
~10%

Cities Where Found

# City Country Daily sighting probability
1 San José 🇨🇷 Costa Rica
~10%

Zoos & Centres Where Found

# Zoo / Centre Country
1 San Diego Zoo 🇺🇸 United States In captivity
2 Parc zoologique de Montpellier 🇫🇷 France In captivity
3 La Paz Waterfall Gardens 🇨🇷 Costa Rica In captivity
4 Parque Zoológico Nacional Simón Bolívar 🇨🇷 Costa Rica In captivity
5 Snake Farm of Queen Saovabha Memorial Institute 🇹🇭 Thailand In captivity
6 Monteverde Theme Park 🇨🇷 Costa Rica In captivity

Closest Relatives at Poás Volcano National Park

No species of the same family or order lives in Poás Volcano National Park, so these are its closest relatives here: other reptiles.

Before you go

What are the chances of seeing a Side-striped palm pit viper in Poás Volcano National Park?

With luck

About 10% of wildlife watchers report a Side-striped palm pit viper sighting in Poás Volcano National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.

When is the best time to see a Side-striped palm pit viper in Poás Volcano National Park?

May

In that month about 30% of wildlife watchers report a Side-striped palm pit viper in Poás Volcano National Park on a given day, against under 5% in March–April, June–July, September and December, the lowest months.

What time of day is best to see a Side-striped palm pit viper?

Between 6 and 9 pm

Across all the parks we cover, that three-hour window holds the most Side-striped palm pit viper sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.

Is Poás Volcano National Park the best place to see a Side-striped palm pit viper?

3rd of 7

Of the 7 parks where we can rate Side-striped palm pit viper sightings, Poás Volcano National Park ranks 3rd at about 10%. The best odds are in Monteverde Cloud Forest Reserve (Costa Rica, about 70%) and Chirripó National Park (Costa Rica, about 20%).

Where does the Side-striped palm pit viper sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Side-striped palm pit viper is recorded against all the reptiles logged in Poás Volcano National Park (7 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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