Sumichrast's Vesper Rat
Nyctomys sumichrasti
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderRodentia (Rosegadors)
- FamilyCricetidae (Hamsters, Voles, Lemmings, and Allies)
- GenusNyctomys
- SpeciesNyctomys sumichrasti (Sumichrast's Vesper Rat)
Closest Relatives at Calakmul Biosphere Reserve
Hatt's Vesper Rat
Otonyctomys hatti
Big-eared Climbing Rat
Ototylomys phyllotis
Toltec Cotton Rat
Sigmodon toltecus
Yucatán Squirrel
Sciurus yucatanensis
Central American Agouti
Dasyprocta punctata
Deppe's Squirrel
Sciurus deppei
Hispid Pocket Gopher
Orthogeomys hispidus
Gaumer's Spiny Pocket Mouse
Heteromys gaumeri
Spotted Paca
Cuniculus paca
Mexican Hairy Dwarf Porcupine
Sphiggurus mexicanus
📅 Monthly Probability
Fewer than 5 records of Sumichrast's Vesper Rat at Calakmul Biosphere Reserve — not enough to chart months honestly.
🌙 When They're Spotted
Most active during nighttime hours (6pm–6am) · across all parks (global)
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 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 2 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica | |
| 4 | Cusuco National Park | 🇭🇳 Honduras | |
| 5 | Pico Bonito National Park | 🇭🇳 Honduras | |
| 6 | Gandoca-Manzanillo Wildlife Refuge | 🇨🇷 Costa Rica | |
| 7 | Chirripó National Park | 🇨🇷 Costa Rica | |
| 8 | Piedras Blancas National Park | 🇨🇷 Costa Rica | |
| 9 | Rincón de la Vieja National Park | 🇨🇷 Costa Rica | |
| 10 | Masaya Volcano National Park | 🇳🇮 Nicaragua | |
| 11 | Santa Rosa National Park | 🇨🇷 Costa Rica | |
| 12 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 13 | Cerro Azul Meámbar National Park | 🇭🇳 Honduras | |
| 14 | Montes Azules Biosphere Reserve | 🇲🇽 Mexico | |
| 15 | Carara National Park | 🇨🇷 Costa Rica | |
| 16 | Calakmul Biosphere Reserve | 🇲🇽 Mexico | |
| 17 | Corcovado National Park | 🇨🇷 Costa Rica | |
| 18 | La Amistad International Park (Panama) | 🇵🇦 Panama |