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Statements

Subject Item
n2:RIV%2F60076658%3A12310%2F12%3A43883641%21RIV13-MSM-12310___
rdf:type
n12:Vysledek skos:Concept
dcterms:description
Accurate recognition of a predator is the necessary precondition for adequate antipredatory behaviour. We used feeder experiments to examine whether birds adopt the appropriate antipredatory response according to the level of threat posed by predators. The results support the idea that the tits made a decision on the threat level. The tits distinguished among equally sized obligatory predators (sparrowhawk, kestrel), an occasional predator (jay) and a harmless bird of similar size (pigeon) and a smaller harmless bird (thrush). The presence of both birds of prey was associated with a considerable reduction in the number of feeder visits when compared with the harmless birds. The number of visits to the feeder that had a dummy jay positioned on it did not significantly differ for harmless birds or for predators. Different sizes of harmless birds did not influence the tits' behaviour. The increasing risk lowered not only the number of visits to the feeder but also the success of the visit, pecking rate, and the direction of arrival to the feeder. Generally, birds assessed the risk during food searching, evaluated the situation, and adapted their behaviour accordingly. Accurate recognition of a predator is the necessary precondition for adequate antipredatory behaviour. We used feeder experiments to examine whether birds adopt the appropriate antipredatory response according to the level of threat posed by predators. The results support the idea that the tits made a decision on the threat level. The tits distinguished among equally sized obligatory predators (sparrowhawk, kestrel), an occasional predator (jay) and a harmless bird of similar size (pigeon) and a smaller harmless bird (thrush). The presence of both birds of prey was associated with a considerable reduction in the number of feeder visits when compared with the harmless birds. The number of visits to the feeder that had a dummy jay positioned on it did not significantly differ for harmless birds or for predators. Different sizes of harmless birds did not influence the tits' behaviour. The increasing risk lowered not only the number of visits to the feeder but also the success of the visit, pecking rate, and the direction of arrival to the feeder. Generally, birds assessed the risk during food searching, evaluated the situation, and adapted their behaviour accordingly.
dcterms:title
Tits recognize the potential dangers of predators and harmless birds in feeder experiments Tits recognize the potential dangers of predators and harmless birds in feeder experiments
skos:prefLabel
Tits recognize the potential dangers of predators and harmless birds in feeder experiments Tits recognize the potential dangers of predators and harmless birds in feeder experiments
skos:notation
RIV/60076658:12310/12:43883641!RIV13-MSM-12310___
n12:predkladatel
n19:orjk%3A12310
n4:aktivita
n13:Z n13:P
n4:aktivity
P(IAA601410803), Z(AV0Z50070508), Z(MSM6007665801)
n4:cisloPeriodika
1
n4:dodaniDat
n17:2013
n4:domaciTvurceVysledku
n18:6498736 n18:7740492
n4:druhVysledku
n14:J
n4:duvernostUdaju
n8:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
174533
n4:idVysledku
RIV/60076658:12310/12:43883641
n4:jazykVysledku
n21:eng
n4:klicovaSlova
Winter experiments; Tits; Risk; Predator recognition; Feeders; RISK; FAT RESERVES; FOREST BIRDS; MOBBING BEHAVIOR; CAPTIVE GREENFINCHES; ANTIPREDATOR BEHAVIOR; GREAT TIT; PARUS-MAJOR; NEST-DEFENSE BEHAVIOR; BLACK-CAPPED CHICKADEES
n4:klicoveSlovo
n5:Tits n5:PARUS-MAJOR n5:NEST-DEFENSE%20BEHAVIOR n5:Winter%20experiments n5:FOREST%20BIRDS n5:Predator%20recognition n5:MOBBING%20BEHAVIOR n5:RISK n5:Risk n5:ANTIPREDATOR%20BEHAVIOR n5:CAPTIVE%20GREENFINCHES n5:Feeders n5:BLACK-CAPPED%20CHICKADEES n5:FAT%20RESERVES n5:GREAT%20TIT
n4:kodStatuVydavatele
JP - Japonsko
n4:kontrolniKodProRIV
[E00CE8DD8CC2]
n4:nazevZdroje
Journal of Ethology
n4:obor
n16:EG
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:projekt
n7:IAA601410803
n4:rokUplatneniVysledku
n17:2012
n4:svazekPeriodika
30
n4:tvurceVysledku
Fuchs, Roman Tvardíková, Kateřina
n4:wos
000303059700021
n4:zamer
n10:AV0Z50070508 n10:MSM6007665801
s:issn
0289-0771
s:numberOfPages
9
n20:doi
10.1007/s10164-011-0310-0
n11:organizacniJednotka
12310