Brown Tree Snake

Invasive in Guam. Mild venom. Responsible for power outages by climbing poles.

GenusBoiga

RegionOceaniaAustralia, Papua New Guinea, Guam

Photo: Pavel Kirillov from St.Petersburg, Russia · Source: Wikimedia Commons · License: CC BY-SA 2.0

Brown Tree Snake

Photo: Pavel Kirillov from St.Petersburg, Russia · Source: Wikimedia Commons · License: CC BY-SA 2.0

Brown Tree Snake

Danger Score

Final Danger Score

Venom Core

Lethality weighted 55% (potency × yield). Clinical weighted 45% (real-world CFR).

0.55 × 0 + 0.45 × 73.1

Modifiers

Multiplicative scalers - amplify or reduce existing danger, can't create it from nothing.

× Speed (0.94)3.0

× Delivery (0.50)1.5

× Encounter (0.96)1.4

Speed = antivenom window. Delivery = fang efficiency. Encounter = exposure × temperament.

Score1

Type

NeurotoxicAffects the nervous system; disrupts nerve-muscle communication and can cause paralysis or respiratory failure.

Venom Yield

Low

Venom Speed

Slow

Delivery Method

Rear fangs

Potency (SC Equivalent)

30.000mg/kg LD50

Max Dry Yield

10mg dry

Fatality (Untreated)

0-1%

WHO Importance

Local Effects

Pain at bite site