Xenodon severus
Silhouette: Iconographia Zoologica · PhyloPic
In 3 days ~30% in a week ~50%
Xenodon severus, the Amazon false fer-de-lance, is a species of snake in the family Dipsadidae. It is found in South America. Species Xenodon severus at The Reptile Database Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Manu National Park | 🇵🇪 Peru | |
| 2 | Tambopata National Reserve | 🇵🇪 Peru |
With luck
About 10% of wildlife watchers report an Amazon False Fer-de-lance sighting in Tambopata National Reserve on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 37th most-seen of the 47 reptiles we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
May and September–October
In those months about 20% of wildlife watchers report an Amazon False Fer-de-lance in Tambopata National Reserve on a given day, against under 5% in April, June and November–February, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Amazon False Fer-de-lance sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 2 parks where we can rate Amazon False Fer-de-lance sightings, Tambopata National Reserve ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Manu National Park (Peru, about 10%).
Same family: Colubridae
The closest relatives of the Amazon False Fer-de-lance that you can see in Tambopata National Reserve (family Colubridae, Colubrid Snakes) are Blunthead Tree Snake (about 30%), Tschudi's False Coral Snake (about 20%) and Wucherer's Ground Snake (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Amazon False Fer-de-lance is recorded against all the reptiles logged in Tambopata National Reserve (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.
