Ladder Snake

Ladder Snake

Zamenis scalaris

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Sierra de Guadarrama National Park

📅 Monthly Probability

<5
Jan
0–10
Feb
0–10
Mar
10–20
Apr
10–20
May
10–20
Jun
0–10
Jul
10–20
Aug
0–10
Sep
20–30
Oct
0–10
Nov
<5
Dec

☀️🌙 When They're Spotted

Active throughout day and night · across all parks (global)

☀️🌙Day & Night
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Monfragüe National Park 🇪🇸 Spain
10–20%
2 Sierra Nevada National Park 🇪🇸 Spain
10–20%
3 Sierra de Guadarrama National Park 🇪🇸 Spain
10–20%
4 Cévennes National Park 🇫🇷 France
0–10%
5 Pyrénées National Park 🇫🇷 France
0–10%
6 Aigüestortes National Park 🇪🇸 Spain
Insufficient data
7 Doñana National Park 🇪🇸 Spain
Insufficient data

Quick answers

What are the chances of seeing a Ladder Snake in Sierra de Guadarrama National Park?

About 11% of visitor-days record a Ladder Snake sighting in Sierra de Guadarrama National Park, based on 40 observer-days of citizen-science data from GBIF.

When is the best time to see Ladder Snake in Sierra de Guadarrama National Park?

October has the highest sighting rate for Ladder Snake in Sierra de Guadarrama National Park in our monthly data.

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