About: The cost of virulence: an experimental study of egg eviction by brood parasitic chicks

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Hatchlings of some virulent brood parasitic birds have evolved to eliminate host offspring. We experimentally studied the dynamics and potential costs of the egg eviction behavior of hatchlings of the common cuckoo Cuculus canorus in broods of common redstarts Phoenicurus phoenicurus, a cavity nesting host. Eliminating the labor of egg tossing per se improved the cuckoo chick's growth during the eviction period by similar to 20-30%. Evictor cuckoo chicks recovered from the cost of egg tossing to fledge at similar masses compared with solitary chicks, although they did so at older ages. Foster parents fed evictor chicks less often compared with nonevictors. Feeding frequencies by hosts to evictors correlated negatively with eviction effort as evicting chicks often appeared to ignore fosterers offering food. Nest cup steepness was negatively related to eviction success and positively to age at first eviction. We propose that eviction behavior by cuckoo hatchlings is favored by selection because the Hatchlings of some virulent brood parasitic birds have evolved to eliminate host offspring. We experimentally studied the dynamics and potential costs of the egg eviction behavior of hatchlings of the common cuckoo Cuculus canorus in broods of common redstarts Phoenicurus phoenicurus, a cavity nesting host. Eliminating the labor of egg tossing per se improved the cuckoo chick's growth during the eviction period by similar to 20-30%. Evictor cuckoo chicks recovered from the cost of egg tossing to fledge at similar masses compared with solitary chicks, although they did so at older ages. Foster parents fed evictor chicks less often compared with nonevictors. Feeding frequencies by hosts to evictors correlated negatively with eviction effort as evicting chicks often appeared to ignore fosterers offering food. Nest cup steepness was negatively related to eviction success and positively to age at first eviction. We propose that eviction behavior by cuckoo hatchlings is favored by selection because the (en)
Title	The cost of virulence: an experimental study of egg eviction by brood parasitic chicks The cost of virulence: an experimental study of egg eviction by brood parasitic chicks (en)
skos:prefLabel	The cost of virulence: an experimental study of egg eviction by brood parasitic chicks The cost of virulence: an experimental study of egg eviction by brood parasitic chicks (en)
skos:notation	RIV/61989592:15310/09:00010741!RIV10-MSM-15310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6198959212)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Grim, Tomáš
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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	308437
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/09:00010741
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cuckoo Cuculus-Canorus; Redstart Phoenicurus-phoenicurus; nestling discrimination; host; behavior; recognition; rejection; young; size (en)
http://linked.open.../riv/klicoveSlovo	host Cuckoo Cuculus-Canorus Redstart Phoenicurus-phoenicurus nestling discrimination behavior recognition rejection size young
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[1D99227314E9]
http://linked.open...i/riv/nazevZdroje	Behavioral Ecology
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Cassey, P. Grim, Tomáš Rutila, J. Hauber, M. E
http://linked.open...n/vavai/riv/zamer	Life-history strategies of animals: proximate and ultimate mechanisms
issn	1045-2249
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	15310
is http://linked.open...avai/riv/vysledek of	The cost of virulence: an experimental study of egg eviction by brood parasitic chicks The cost of virulence: an experimental study of egg eviction by brood parasitic chicks The cost of virulence: an experimental study of egg eviction by brood parasitic chicks The cost of virulence: an experimental study of egg eviction by brood parasitic chicks

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