Predator odour does not influence trappability of southern brown bandicoots (Isoodon obesulus) and common brushtail possums (Trichosurus vulpecula)
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Predators cause changes in the behaviour of many prey species. This study investigated whether trappability ofwild southern brown bandicoots (Isoodon obesulus) andcommon brushtail possums (Trichosurus vulpecula) was influencedby odour cues suggesting the presence of potential predators. Trapping success was compared between traps with predatorscents and controls in two different experiments. The first measured trapping success of single clean traps, traps withunfamiliar herbivore (horse) odour and traps scented with predator (fox, cat, quoll and dingo) odours, while the secondoffered three choices (fox, dingo and clean traps) simultaneously. Frequency of capture of bandicoots and possums was notinfluenced by odour, mass or sex in either experiment. The lack of avoidance response observed in this study suggests thatneither southern brown bandicoots nor common brushtail possums alter foraging behaviour in response to olfactory cues thatsuggest the presence of exotic or Australian predators. This is consistent with previous studies, which indicate that nativeAustralian marsupials do not avoid predator odours
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Predator odour does not influence trappability of southern brown bandicoots (Isoodon obesulus) and common brushtail possums (Trichosurus vulpecula)Mella, V.; Cooper, Christine; Davies, Stephen (2010)Predators cause changes in the behaviour of many prey species. This study investigated whether trappability of wild southern brown bandicoots (Isoodon obesulus) and common brushtail possums (Trichosurus vulpecula) was ...
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