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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F10%3A10217551%21RIV11-MSM-15310___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
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.
dcterms:title
Blunt egg pole holds cues for alien egg discrimination: experimental evidence Blunt egg pole holds cues for alien egg discrimination: experimental evidence
skos:prefLabel
Blunt egg pole holds cues for alien egg discrimination: experimental evidence Blunt egg pole holds cues for alien egg discrimination: experimental evidence
skos:notation
RIV/61989592:15310/10:10217551!RIV11-MSM-15310___
n3:aktivita
n4:Z
n3:aktivity
Z(MSM6198959212)
n3:cisloPeriodika
2
n3:dodaniDat
n11:2011
n3:domaciTvurceVysledku
n17:7169868 n17:3183831
n3:druhVysledku
n15:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
249070
n3:idVysledku
RIV/61989592:15310/10:10217551
n3:jazykVysledku
n13:eng
n3:klicovaSlova
EVOLUTION; RESPONSES; APPEARANCE; POPULATIONS; COLOR; REJECTION; TURDUS-PHILOMELOS; REED WARBLERS; INTRASPECIFIC BROOD PARASITISM; CUCKOO CUCULUS-CANORUS
n3:klicoveSlovo
n5:INTRASPECIFIC%20BROOD%20PARASITISM n5:TURDUS-PHILOMELOS n5:CUCKOO%20CUCULUS-CANORUS n5:POPULATIONS n5:REED%20WARBLERS n5:APPEARANCE n5:COLOR n5:REJECTION n5:EVOLUTION n5:RESPONSES
n3:kodStatuVydavatele
DK - Dánské království
n3:kontrolniKodProRIV
[708AAE1B0C0B]
n3:nazevZdroje
Journal of Avian Biology
n3:obor
n7:EG
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n11:2010
n3:svazekPeriodika
41
n3:tvurceVysledku
Grim, Tomáš Polačiková, Lenka
n3:wos
000276934600002
n3:zamer
n18:MSM6198959212
s:issn
0908-8857
s:numberOfPages
6
n12:organizacniJednotka
15310