Related Experiment Video
Updated: Jul 27, 2026
04:37
Reproductive Techniques for Ovarian Monitoring and Control in Amphibians
Published on: May 12, 2019
Pheromone trailing behavior of the brown tree snake, Boiga irregularis
M J Greene1, S L Stark, R T Mason
1Department of Zoology, Oregon State University, Corvallis 97331, USA. greene@ants.stanford.edu
Journal of Chemical Ecology
|January 31, 2002
Summary
Male brown tree snakes (Boiga irregularis) can follow chemical trails left by other snakes. This ability helps them find mates, though they don't distinguish between male or female trails.
Area of Science:
- Herpetology
- Chemical ecology
- Animal behavior
Background:
- Snake pheromone trail following is crucial for locating mates during breeding seasons.
- The brown tree snake (Boiga irregularis) is a tropical, rear-fanged colubrid species.
Purpose of the Study:
- To investigate the ability of male brown tree snakes to follow pheromone trails.
- To determine if males can differentiate between pheromone trails from conspecifics of different sexes.
Main Methods:
- Laboratory-based Y-maze experiments were conducted.
- Male snakes were presented with trails from reproductively active conspecifics (females and males) and blank controls.
Main Results:
- Male brown tree snakes exhibited trailing responses to both female and male pheromone trails.
- No significant discrimination was observed between male and female pheromone trails when choices were offered.
Conclusions:
- The trailing response suggests both direct (female trails) and indirect (male trails) mate-location mechanisms in the wild.
- Brown tree snakes utilize pheromone cues for conspecific detection but may not differentiate sex based on trail alone.
