Eating fireants could prepare lizards for future fire ant attack penn_state
Non-native species invasions are increasing across the globe and are affecting native species in many different ways including through impacts as novel predators or food sources. We sought to understand how eastern fence lizards are affected by invasive red imported fire ants , which serve as both predator and prey to the lizards.
To better assign causation to the correlative field patterns of immune function, we experimentally exposed fire ant-naïve lizards to fire ant venom though ant stings and via consumption of non-stinging dead ants and measured the same immune outcomes. Fire ant consumption increased lizard immune responses relative to lizards stung by fire ants, and two of the four immune differences in the field were also seen in lizards fed fire ants .
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