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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F13%3A10145812%21RIV14-MSM-11310___
rdf:type
n6:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1007/s00265-013-1536-3
dcterms:description
Ontogenetic changes in antipredator behavior optimize survival of growing animals. Leopard geckos (Eublepharis macularius) respond to a simulated predator either by postural and vocal threats, sometimes followed by biting, or alternatively by a rapid escape. The former %22confrontational%22 and the latter %22avoidance%22 behavior rarely occurs in a sequence; in fact, they represent mutually exclusive defensive strategies. We examined 552 individuals of a leopard gecko (E. macularius) of various ages, from hatching up to adulthood (31 months). Each experimental animal was exposed to a sequence of five %22water-spraying%22 and ten %22stick%22 (stick poking on base of the tail) stimuli, and the emitted behavior was recorded. We analyzed the effects of age, body size, body condition, adult-juvenile coloration, and sex on observed behavioral traits. The results showed that in the case of water-spraying stimulus, the usage of deterrent vocalization or escape tactic was affected by age and condition. In addition to that, using deterrent vocalization was influenced by the coloration of the animal. Stick stimulus evokes antipredator strategies that correspond with age and coloration (deterrent vocalization) and also with standardized body size (escape). Thus, leopard geckos exhibit clear ontogenetic change of defensive strategies, from threat-vocalization-bite strategy prevailing in juveniles to an escape strategy typical for adults. This behavioral change is accompanied by the ontogenetic switch of coloration from presumably warning contrasting light-dark banded pattern of juveniles to a cryptic spotted coloration of the adults. Ontogenetic changes in antipredator behavior optimize survival of growing animals. Leopard geckos (Eublepharis macularius) respond to a simulated predator either by postural and vocal threats, sometimes followed by biting, or alternatively by a rapid escape. The former %22confrontational%22 and the latter %22avoidance%22 behavior rarely occurs in a sequence; in fact, they represent mutually exclusive defensive strategies. We examined 552 individuals of a leopard gecko (E. macularius) of various ages, from hatching up to adulthood (31 months). Each experimental animal was exposed to a sequence of five %22water-spraying%22 and ten %22stick%22 (stick poking on base of the tail) stimuli, and the emitted behavior was recorded. We analyzed the effects of age, body size, body condition, adult-juvenile coloration, and sex on observed behavioral traits. The results showed that in the case of water-spraying stimulus, the usage of deterrent vocalization or escape tactic was affected by age and condition. In addition to that, using deterrent vocalization was influenced by the coloration of the animal. Stick stimulus evokes antipredator strategies that correspond with age and coloration (deterrent vocalization) and also with standardized body size (escape). Thus, leopard geckos exhibit clear ontogenetic change of defensive strategies, from threat-vocalization-bite strategy prevailing in juveniles to an escape strategy typical for adults. This behavioral change is accompanied by the ontogenetic switch of coloration from presumably warning contrasting light-dark banded pattern of juveniles to a cryptic spotted coloration of the adults.
dcterms:title
Ontogenetic switch between alternative antipredatory strategies in the leopard gecko (Eublepharis macularius): defensive threat versus escape Ontogenetic switch between alternative antipredatory strategies in the leopard gecko (Eublepharis macularius): defensive threat versus escape
skos:prefLabel
Ontogenetic switch between alternative antipredatory strategies in the leopard gecko (Eublepharis macularius): defensive threat versus escape Ontogenetic switch between alternative antipredatory strategies in the leopard gecko (Eublepharis macularius): defensive threat versus escape
skos:notation
RIV/00216208:11310/13:10145812!RIV14-MSM-11310___
n6:predkladatel
n17:orjk%3A11310
n3:aktivita
n4:P n4:I
n3:aktivity
I, P(IAA601410803)
n3:cisloPeriodika
7
n3:dodaniDat
n18:2014
n3:domaciTvurceVysledku
n11:8487235 n11:2176610 n11:1774018 n11:5560497 n11:9209417
n3:druhVysledku
n8:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
94071
n3:idVysledku
RIV/00216208:11310/13:10145812
n3:jazykVysledku
n7:eng
n3:klicovaSlova
Eublepharis macularius; Lizard; Aposematic coloration; Alternative strategies; Ontogeny; Antipredation
n3:klicoveSlovo
n10:Antipredation n10:Alternative%20strategies n10:Eublepharis%20macularius n10:Aposematic%20coloration n10:Ontogeny n10:Lizard
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[276716C79542]
n3:nazevZdroje
Behavioral Ecology and Sociobiology
n3:obor
n9:EG
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n15:IAA601410803
n3:rokUplatneniVysledku
n18:2013
n3:svazekPeriodika
67
n3:tvurceVysledku
Jančúchová Lásková, Jitka Landová, Eva Kadochová, Štěpánka Musilová, Veronika Frynta, Daniel
n3:wos
000320024200008
s:issn
0340-5443
s:numberOfPages
10
n16:doi
10.1007/s00265-013-1536-3
n21:organizacniJednotka
11310