About: Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs?

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In open nesting waterfowl, the parasitic egg remains frequently outside the nest bowl after the parasitic event. Using time-lapse video recorders, we described experimentally the behavioural reaction of the common pochard (Aythya ferina) females towards an egg lying beside the nest. We tested whether the females discriminate between conspecific and heterospecific eggs (brown chicken eggs). All 16 experimental females retrieved both conspecific and heterospecific eggs. We found no apparent differences in female responses towards either egg type. The retrieval of alien eggs can be a result of an imperfect recognition ability of the female, anti-predation defence, or sophisticated tactic related to the brood parasitism. The last explanation seems to be less likely due to imperfect egg recognition abilities in the species. In open nesting waterfowl, the parasitic egg remains frequently outside the nest bowl after the parasitic event. Using time-lapse video recorders, we described experimentally the behavioural reaction of the common pochard (Aythya ferina) females towards an egg lying beside the nest. We tested whether the females discriminate between conspecific and heterospecific eggs (brown chicken eggs). All 16 experimental females retrieved both conspecific and heterospecific eggs. We found no apparent differences in female responses towards either egg type. The retrieval of alien eggs can be a result of an imperfect recognition ability of the female, anti-predation defence, or sophisticated tactic related to the brood parasitism. The last explanation seems to be less likely due to imperfect egg recognition abilities in the species. (en)
Title	Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs? Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs? (en)
skos:prefLabel	Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs? Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs? (en)
skos:notation	RIV/00023272:_____/09:#0001171!RIV10-MK0-00023272
http://linked.open...avai/riv/aktivita	P V
http://linked.open...avai/riv/aktivity	P(GD206/05/H012), P(IAA6093403), P(KJB601110803), P(LC06073), V
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Klvaňa, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Národní muzeum
http://linked.open...dnocenehoVysledku	302472
http://linked.open...ai/riv/idVysledku	RIV/00023272:_____/09:#0001171
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	intraspecific nest parasitism; brood parasitism; wood ducks; relatedness; host; recognition; evolution; geese; kinship; birds (en)
http://linked.open.../riv/klicoveSlovo	relatedness kinship host birds brood parasitism evolution recognition geese intraspecific nest parasitism wood ducks
http://linked.open...odStatuVydavatele	FI - Finská republika
http://linked.open...ontrolniKodProRIV	[268720DDCE0F]
http://linked.open...i/riv/nazevZdroje	Annales Zoologici Fennici
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Integration of ethological, physiological and behavioural ecological approaches to animal behaviour Biodiversity Research Center Variation in resource allocation between reproductive phases in waterfowl Evolutionary determinats of brood parasitism in ducks
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Hořák, David Klvaňa, Petr
http://linked.open...ain/vavai/riv/wos	000269330600001
issn	0003-455X
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs? Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs? Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs? Alien egg retrieval in common pochard: Do females discriminate between conspecific and heterospecific eggs?

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