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Antipredatory call behavior of lapwing species in an Afrotropical environment

Avian Research 2023年第4期14卷 630-639页

作者： Fatima R.James Chioma I.Okafor samuel T.Osinubi Shiiwua A.Manu samuel ivande Taiwo C.Omotoriogun A.p.leventis ornithological research institute university of josp.o.box 13404josplateau statenigeria eden creation care initiative rennajj fish farm p.o.box 7173josplateau statenigeria fitzpatrick institute of african ornithology university of cape towncape townsouth africa department of zoology university of josjosplateau statenigeria biotechnology unit department of biological scienceselizade universityp.m.2.002ilara-mokinondo statenigeria natural history museum university of oslop.o.box 1172 blindern0318 oslonorway

Predation is an important source of natural selection on prey species and has resulted in adaptations such as antipredator vocal signals,which can alert others to the presence of predators and solicit cooperative *** vocal alarm signals of birds have been well studied,they are poorly known in tropical African *** address this lack of information,the antipredatory signals and responses of two lapwings(Wattled Lapwing Vanellus senegallus and Spur-winged Lapwing Vanellus spinosus)to potential predators were investigated using data collected from focal observation,distance measurements,focal recordings,and playback *** lapwing calls elicited to predators were classified as alarm or mobbing calls based on whether the calls elicited alert behavior or attack from other *** linear analysis(DLA)was used to compare the time and frequency parameters of the call types measured in Raven ***,lapwings’responses to intruders,alert and start distance,time of day,and latency,as well as the effects of flock size and distance to cover were *** 48%of all calls was correctly classified by *** best predictors of call type for the lapwings were maximum frequency and high *** alarm and mobbing calls were elicited by African Wattled Lapwings to dogs and *** calls were elicited to intruders by the Spur-winged *** distance was positively associated with start distance,and differed between morning and evening in both *** scarce information from tropical Africa,this study put in perspective vocal and antipredator behavior of lapwing species in Africa.

关键词： Acoustic Alarm calls Lapwings Mobbing calls Vocal signals

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