2013
DOI: 10.1371/journal.pone.0062949
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Effects of Food Availability on Yolk Androgen Deposition in the Black-Legged Kittiwake (Rissa tridactyla), a Seabird with Facultative Brood Reduction

Abstract: In birds with facultative brood reduction, survival of the junior chick is thought to be regulated primarily by food availability. In black-legged kittiwakes (Rissa tridactyla) where parents and chicks are provided with unlimited access to supplemental food during the breeding season, brood reduction still occurs and varies interannually. Survival of the junior chick is therefore affected by factors in addition to the amount of food directly available to them. Maternally deposited yolk androgens affect competi… Show more

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Cited by 24 publications
(34 citation statements)
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“…We also suggested that higher yolk hormone allocation occurred in the second egg in the Unfed group as compared to the Fed group, as reported in Benowitz‐Fredericks et al. (2013), although the difference may be lower in our case because of the better environmental conditions. We did not quantify maternal investment in the eggs, because we were interested in chick behavior and yolk biopsies can lead to lower hatching success (e.g., Pilz et al.…”
Section: Introductionmentioning
confidence: 58%
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“…We also suggested that higher yolk hormone allocation occurred in the second egg in the Unfed group as compared to the Fed group, as reported in Benowitz‐Fredericks et al. (2013), although the difference may be lower in our case because of the better environmental conditions. We did not quantify maternal investment in the eggs, because we were interested in chick behavior and yolk biopsies can lead to lower hatching success (e.g., Pilz et al.…”
Section: Introductionmentioning
confidence: 58%
“…Here, we experimentally investigated this possibility focusing on chick aggressiveness, growth, and survival using the same population as Benowitz‐Fredericks et al. (2013). As we predicted, senior chicks in Unfed–Reverse broods (hatched from a B‐egg in the Unfed group) were more aggressive that those in Fed–Reverse broods (hatched from a B‐egg in the Fed group), whereas there was no difference in Control broods (among chicks hatched from A‐eggs).…”
Section: Discussionmentioning
confidence: 99%
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