Drepanoides anomalus
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~20% in a week ~50%
Drepanoides is a genus of snake in the family Colubridae that contains the sole species Drepanoides anomalus. It is commonly known as the black-collared snake. It is found in South America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Yasuní National Park | 🇪🇨 Ecuador | |
| 2 | Tambopata National Reserve | 🇵🇪 Peru | |
| 3 | Manu National Park | 🇵🇪 Peru |
With luck
About 10% of wildlife watchers report a Black-collared Snake sighting in Tambopata National Reserve on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 44th most-seen of the 47 reptiles we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
July and December
In those months about 20% of wildlife watchers report a Black-collared Snake in Tambopata National Reserve on a given day, against under 5% in January–June and September–November, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Black-collared Snake sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 3 parks where we can rate Black-collared Snake sightings, Tambopata National Reserve ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Yasuní National Park (Ecuador, about 10%).
Same family: Colubridae
The closest relatives of the Black-collared Snake 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 Black-collared Snake is recorded against all the reptiles logged in Tambopata National Reserve (6 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.
