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Amazon Study Reveals Why Giant Green Anacondas Are Nearly Impossible to Spot
M
Moneycontrol•21-10-2026, 14:30
Amazon Study Reveals Why Giant Green Anacondas Are Nearly Impossible to Spot
- •A 2025 study published in the Journal of Natural History tracked giant green anacondas in Peru's Madre de Dios region using radio telemetry.
- •Researchers found that tagged snakes were visible without disturbance at only 17.7% of recorded radio locations, highlighting their incredible camouflage.
- •Anacondas frequently hide beneath dense vegetation, submerged logs, leaf litter, and undercut riverbanks, making them difficult to count visually.
- •Basking in the open provided the main opportunity for researchers to easily observe and safely handle the massive reptiles.
- •Understanding how effectively anacondas conceal themselves helps conservationists design more accurate wildlife monitoring and population surveys.
Key Questions Answered
Tagged anacondas were visible without disturbance at only 23 recorded radio locations, which accounts for 17.7% of the relevant tracking records in the study.
The study was conducted in Peru's Madre de Dios region, compiling 180 observations involving at least 50 individual snakes, with four adult anacondas fitted with very-high-frequency radio tags.
The study titled Habitat use of cryptic Green Anaconda (Eunectes murinus) in the western Amazon was published in the Journal of Natural History in 2025.
