Giant Madagascan Hognose Snake

Giant Madagascan Hognose Snake

Leioheterodon madagascariensis

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
70–80% · Very likely
overall probability at Ankarafantsika National Park

Closest Relatives at Ankarafantsika National Park

Blonde Hognose Snake
LC

Blonde Hognose Snake

☀️ Diurnal Reptile

Leioheterodon modestus

40–50% · Likely
Madagascar Cat-eyed Snake
LC

Madagascar Cat-eyed Snake

🌅 Crepuscular Reptile

Madagascarophis colubrinus

40–50% · Likely
Bernier's Striped Snake
LC

Bernier's Striped Snake

☀️ Diurnal Reptile

Dromicodryas bernieri

30–40% · Possible
Four-striped Snake
LC

Four-striped Snake

☀️ Diurnal Reptile

Dromicodryas quadrilineatus

30–40% · Possible
Madagascar Leaf-nosed Snake
LC

Madagascar Leaf-nosed Snake

☀️ Diurnal Reptile

Langaha madagascariensis

Insufficient data
Tiny Night Snake
LC

Tiny Night Snake

☀️ Diurnal Reptile

Ithycyphus miniatus

Insufficient data
Vaillant's Madagascar Ground Snake
LC

Vaillant's Madagascar Ground Snake

Reptile

Liophidium vaillanti

Insufficient data
Ampijoroa Tree Snake
LC

Ampijoroa Tree Snake

Reptile

Lycodryas pseudogranuliceps

Insufficient data
White-lipped Smooth Snake
LC

White-lipped Smooth Snake

Reptile

Liophidium torquatum

Insufficient data

📅 Monthly Probability

70–80
Jan
60–70
Feb
80–90
Mar
80–90
Apr
70–80
May
60–70
Jun
70–80
Jul
70–80
Aug
30–40
Sep
50–60
Oct
80–90
Nov
80–90
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

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 Ankarafantsika National Park 🇲🇬 Madagascar
70–80%
2 Ranomafana National Park 🇲🇬 Madagascar
Insufficient data

Quick answers

What are the chances of seeing a Giant Madagascan Hognose Snake in Ankarafantsika National Park?

About 77% of visitor-days record a Giant Madagascan Hognose Snake sighting in Ankarafantsika National Park, based on 41 observer-days of citizen-science data from GBIF.

When is the best time to see Giant Madagascan Hognose Snake in Ankarafantsika National Park?

April has the highest sighting rate for Giant Madagascan Hognose Snake in Ankarafantsika National Park in our monthly data.

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