About: Delayed plumage maturation correlates with testosterone levels in Black Redstart Phoenicurus ochruros males

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About: Delayed plumage maturation correlates with testosterone levels in Black Redstart Phoenicurus ochruros males Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Black Redstart males usually have female-like (olive-brown) feathers during their first breeding season This subadult coloration contrasts sharply with the grey and black feathers of the adults To examine the proximate mechanisms of this phenomenon, known as delayed plumage maturation, we assessed levels of testosterone in circulating blood of subadult and adult males captured in Prague, Czech Republic Analysis of 23 blood samples (performed by radioimmunoassay) collected during the molt, i.e, at the time of plumage development, revealed significantly higher testosterone levels in males molting to the adult color than in those molting to the subadult one This may suggest a certain role played by testosterone in the regulation of delayed plumage maturation However, there were no marked differences between males of different coloration and/or age during the breeding season Analysis of 46 blood samples collected outside the molting period confirmed the seasonal testosterone pattern (spring peak and winte Black Redstart males usually have female-like (olive-brown) feathers during their first breeding season This subadult coloration contrasts sharply with the grey and black feathers of the adults To examine the proximate mechanisms of this phenomenon, known as delayed plumage maturation, we assessed levels of testosterone in circulating blood of subadult and adult males captured in Prague, Czech Republic Analysis of 23 blood samples (performed by radioimmunoassay) collected during the molt, i.e, at the time of plumage development, revealed significantly higher testosterone levels in males molting to the adult color than in those molting to the subadult one This may suggest a certain role played by testosterone in the regulation of delayed plumage maturation However, there were no marked differences between males of different coloration and/or age during the breeding season Analysis of 46 blood samples collected outside the molting period confirmed the seasonal testosterone pattern (spring peak and winte (en)
Title	Delayed plumage maturation correlates with testosterone levels in Black Redstart Phoenicurus ochruros males Delayed plumage maturation correlates with testosterone levels in Black Redstart Phoenicurus ochruros males (en)
skos:prefLabel	Delayed plumage maturation correlates with testosterone levels in Black Redstart Phoenicurus ochruros males Delayed plumage maturation correlates with testosterone levels in Black Redstart Phoenicurus ochruros males (en)
skos:notation	RIV/60076658:12310/10:00011777!RIV11-MSM-12310___
http://linked.open...avai/riv/aktivita	I P V
http://linked.open...avai/riv/aktivity	I, P(IAA601410803), V
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Fuchs, Roman
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	Jihočeská univerzita v Českých Budějovicích / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	253207
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/10:00011777
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	testosterone; delayed plumage maturation; Black Redstart; Phoenicurus ochruros (en)
http://linked.open.../riv/klicoveSlovo	Phoenicurus ochruros testosterone Black Redstart delayed plumage maturation
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[A26F2A196C41]
http://linked.open...i/riv/nazevZdroje	Acta Ornithologica
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Recognition of predators and other dangerous organisms by terrestrial vertebrates
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	45
http://linked.open...iv/tvurceVysledku	Frynta, Daniel Fuchs, Roman Schwarzová, Lucie
http://linked.open...ain/vavai/riv/wos	000280387600010
issn	0001-6454
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	12310

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