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The Role Of Trailing Behavior In Conspecific Mating In Thamnophis Elegans And Thamnophis Sirtalis, Eleanor Watson
The Role Of Trailing Behavior In Conspecific Mating In Thamnophis Elegans And Thamnophis Sirtalis, Eleanor Watson
Undergraduate Honors Capstone Projects
In many gartersnake species, successful mating depends on the ability of males to follow pheromone trails left by females. The populations we investigated (Thamnophis sirtalis and Thamnophis elegans, closely related sympatric species) overwinter together and simultaneously emerge. Although, mating occurs concurrently, there is no evidence of hybridization. Therefore, we sought to investigate the mechanisms that allow male snakes to differentiate between heterospecific and conspecific females to ensure mating success. Behavior studies were conducted by presenting male snakes with extracted scents of conspecific females, heterospecific females, and conspecific males. We measured male preference by number of investigatory tongue flicks …