1991
DOI: 10.1111/j.1439-0310.1991.tb00260.x
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Parent‐Offspring Conflict over Independence in the Herring Gull (Larus argentatus)

Abstract: Observations on 24 focal nests revealed that, at the time when parental investment in feeding fledging chicks declined, chicks showed a marked increase in begging, particularly in larger broods, whilst parents became less responsive to begging. That chicks suffer a cost from early termination of investment is indicated by the fact that third‐hatched chicks, who had attempted (unsuccessfully) to initiate more feeds, were absent from the territory first, rather than the more mature first‐ and second‐hatched chic… Show more

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Cited by 6 publications
(5 citation statements)
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“…Initially, the food requests on the part of the chicks started to become more intense, and begin to generalize towards adults other than the parents. These previously observed phenomena (see Graves et al, 1991;Pugesek, 1990) may cause disturbance in the contingencies described above, and result in an alteration in parental behaviour. In particular, the parents' standing and bill presentation behaviour is discontinued.…”
Section: Discussionmentioning
confidence: 90%
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“…Initially, the food requests on the part of the chicks started to become more intense, and begin to generalize towards adults other than the parents. These previously observed phenomena (see Graves et al, 1991;Pugesek, 1990) may cause disturbance in the contingencies described above, and result in an alteration in parental behaviour. In particular, the parents' standing and bill presentation behaviour is discontinued.…”
Section: Discussionmentioning
confidence: 90%
“…A marked increase in begging has been noted in offspring prior to chick dispersal (see Graves et al, 1991), but there are few, if any, documented examples of a greater range of adults being begged from in the literature. The demonstration that chicks' behaviour to particular stimuli connected with feeding (e.g.…”
Section: Discussionmentioning
confidence: 95%
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“…In the Nazca booby ( Sula granti ), a long-lived seabird that fledges at around 157 days old, every 1 day increase in fledging age reduces the probability of surviving the juvenile phase by 3% ( Maness and Anderson, 2013 ). In seabirds, a rapid decrease in parental provisioning as chicks approach their typical fledging age causes a drop in nestling body condition and thus encourages early fledging ( Graves et al, 1991 ; Ritz et al, 2005 ). Finally, fledging early can also benefit a chick's parents.…”
Section: Discussionmentioning
confidence: 99%