Regulation of incubation shifts near hatching by giant petrels: a timed mechanism, embryonic signalling or food availability?
In most seabird species incubation shifts shorten when hatching approaches, a behavioural response allowing the chick to be fed soon after hatching. Three mechanisms have been proposed to explain these shortened absences: endogenous timing, a response to embryo signals or a seasonal increase in food...
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Veröffentlicht in: | Animal behaviour 2004-04, Vol.67 (4), p.663-671 |
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Sprache: | eng |
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