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  • Previous studies suggested that discrimination cues might be located at the blunt egg pole, where the shell patterning is typically concentrated. We tested this hypothesis experimentally in species subject to interspecific (great reed warblers Acrocephalus arundinaceus, reed warblers A. scirpaceus), and also intraspecific parasitism (song thrushes Turdus philomelos, blackbirds T. merula). We examined host responses towards two types of intraspecific eggs painted non-mimetic immaculate blue either at blunt or sharp poles. All four species rejected eggs manipulated at the blunt pole at significantly higher rates, indicating that they perceive the critical recognition cues in the same egg part. Thus, the presence of egg recognition cues at the blunt egg pole may be a general phenomenon in birds parasitized by both intraspecific and interspecific parasites.
  • Previous studies suggested that discrimination cues might be located at the blunt egg pole, where the shell patterning is typically concentrated. We tested this hypothesis experimentally in species subject to interspecific (great reed warblers Acrocephalus arundinaceus, reed warblers A. scirpaceus), and also intraspecific parasitism (song thrushes Turdus philomelos, blackbirds T. merula). We examined host responses towards two types of intraspecific eggs painted non-mimetic immaculate blue either at blunt or sharp poles. All four species rejected eggs manipulated at the blunt pole at significantly higher rates, indicating that they perceive the critical recognition cues in the same egg part. Thus, the presence of egg recognition cues at the blunt egg pole may be a general phenomenon in birds parasitized by both intraspecific and interspecific parasites. (en)
Title
  • Blunt egg pole holds cues for alien egg discrimination: experimental evidence
  • Blunt egg pole holds cues for alien egg discrimination: experimental evidence (en)
skos:prefLabel
  • Blunt egg pole holds cues for alien egg discrimination: experimental evidence
  • Blunt egg pole holds cues for alien egg discrimination: experimental evidence (en)
skos:notation
  • RIV/61989592:15310/10:10217551!RIV11-MSM-15310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6198959212)
http://linked.open...iv/cisloPeriodika
  • 2
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
  • 249070
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/10:10217551
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • EVOLUTION; RESPONSES; APPEARANCE; POPULATIONS; COLOR; REJECTION; TURDUS-PHILOMELOS; REED WARBLERS; INTRASPECIFIC BROOD PARASITISM; CUCKOO CUCULUS-CANORUS (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DK - Dánské království
http://linked.open...ontrolniKodProRIV
  • [708AAE1B0C0B]
http://linked.open...i/riv/nazevZdroje
  • Journal of Avian Biology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 41
http://linked.open...iv/tvurceVysledku
  • Grim, Tomáš
  • Polačiková, Lenka
http://linked.open...ain/vavai/riv/wos
  • 000276934600002
http://linked.open...n/vavai/riv/zamer
issn
  • 0908-8857
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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