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  • 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. (en)
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 (en)
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 (en)
skos:notation
  • RIV/60076658:12310/12:43883641!RIV13-MSM-12310___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA601410803), Z(AV0Z50070508), Z(MSM6007665801)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 174533
http://linked.open...ai/riv/idVysledku
  • RIV/60076658:12310/12:43883641
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/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 (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • JP - Japonsko
http://linked.open...ontrolniKodProRIV
  • [E00CE8DD8CC2]
http://linked.open...i/riv/nazevZdroje
  • Journal of Ethology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 30
http://linked.open...iv/tvurceVysledku
  • Fuchs, Roman
  • Tvardíková, Kateřina
http://linked.open...ain/vavai/riv/wos
  • 000303059700021
http://linked.open...n/vavai/riv/zamer
issn
  • 0289-0771
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/s10164-011-0310-0
http://localhost/t...ganizacniJednotka
  • 12310
is http://linked.open...avai/riv/vysledek of
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