Tylomys watsoni
Silhouette: T. Michael Keesey · PhyloPic
In 3 days ~20% in a week ~40%
Watson's climbing rat (Tylomys watsoni) is a species of rodent in the family Cricetidae. It is found in Costa Rica and Panama. Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Watson's climbing rat sighting in Monteverde Cloud Forest Reserve on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 15th most-seen of the 28 mammals we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
September
In that month about 30% of wildlife watchers report a Watson's climbing rat in Monteverde Cloud Forest Reserve on a given day, against under 5% in February–March, June, August, October and December, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Watson's climbing rat 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.
Only Monteverde Cloud Forest Reserve, in our data
Monteverde Cloud Forest Reserve is the only park on Wallace's Line with enough records to rate Watson's climbing rat sightings: about 10% of wildlife watchers there report one on a given day.
Same family: Cricetidae
The closest relatives of the Watson's climbing rat that you can see in Monteverde Cloud Forest Reserve (family Cricetidae, Hamsters, Voles, Lemmings, and Allies) are Sumichrast's Vesper Rat (about 10%) and Mexican Deer Mouse (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Watson's climbing rat is recorded against all the mammals logged in Monteverde Cloud Forest Reserve (12 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.
