Boulenger's Keelback
Fowlea asperrimus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusFowlea (Fishing Keelbacks)
- SpeciesFowlea asperrimus (Boulenger's Keelback)
Boulenger's keelback (Fowlea asperrima), also known commonly as the Sri Lankan keelback, is a species of water snake in the family Colubridae. The species is endemic to Sri Lanka. Wikipedia →
40–50% of wildlife watchers report a Boulenger's Keelback sighting in Sinharaja Forest Reserve, based on 56 days of visitor records from GBIF citizen-science data.
Closest Relatives at Sinharaja Forest Reserve
Green Vine Snake
Ahaetulla nasuta
Stripe-Tailed Bronzeback
Dendrelaphis caudolineolatus
Ceylon Wolf Snake
Lycodon carinatus
Schokar's bronzeback
Dendrelaphis schokari
Beddome's Cat Snake
Boiga beddomei
Dhaman
Ptyas mucosa
Duméril's Kukri Snake
Oligodon sublineatus
Barnes' Cat Snake
Boiga barnesii
Sri Lanka Cat Snake
Boiga ceylonensis
Blossom Krait
Rhabdophis ceylonensis
Split Keelback
Atretium schistosum
Templeton's Kukri Snake
Oligodon calamarius
📅 Monthly Probability
🌅 When They're Spotted
Most active at dawn and dusk · 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 | Sinharaja Forest Reserve | 🇱🇰 Sri Lanka |
More parks will be added in future updates.
Quick answers
What are the chances of seeing a Boulenger's Keelback in Sinharaja Forest Reserve?
About 48% of wildlife watchers report a Boulenger's Keelback sighting in Sinharaja Forest Reserve, based on 56 days of visitor records from GBIF citizen-science data.
When is the best time to see Boulenger's Keelback in Sinharaja Forest Reserve?
March has the highest sighting rate for Boulenger's Keelback in Sinharaja Forest Reserve in our monthly data.