The relationship between social status and resting metabolic rate in great tits (Parus major) and pied flycatchers (Ficedula hypoleuca)

Røskaft, Eivin; Järvi, Torbjörn; Bakken, Morten; Bech, Claus; Reinertsen, Randi Eidsmo

doi:10.1016/s0003-3472(86)80069-0

Cited by 124 publications

(86 citation statements)

References 21 publications

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“…However, physiological and ecological data for other bird species suggest that relationships exist between metabolic rate and ¢tness. For instance, a positive correlation between social dominance and the BMR has been reported for four species of passerine birds (RÖskaft et al 1986;Hogstad 1987;Bryant & Newton 1994). Assuming that dominance would confer an increased ¢tness, through either higher reproductive output or an increased survival rate, those individuals with the highest ¢tness would then be expected to also have the highest BMR.…”

Section: Repeatability Of Bmr In Kittiwakes C Bech and Others 2165mentioning

confidence: 94%

Repeatability of basal metabolism in breeding female kittiwakes Rissatridactyla

Bech

Langseth

Gabrielsen

1999

Proc. R. Soc. Lond. B

104

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We studied kittiwakes (Rissa tridactyla) breeding near Ny-Ðlesund (798 N, 128 E) on Svalbard. In 1997, the basal metabolic rates (BMRs) of 17 breeding females were measured during the incubation and chickrearing periods. The mean body mass of the kittiwakes decreased signi¢cantly (by 10%) between the incubation and chick-rearing periods. At the same time, both the whole-body and mass-speci¢c BMRs decreased signi¢cantly. There was a positive and signi¢cant relationship between the BMR residuals from the incubation period and those from the chick-rearing period. Thus, the BMR of incubating female kittiwakes is a signi¢cant predictor of their BMR during the chick-rearing period. New BMR data were collected in 1998 from ten of these females, measured around the chick-hatching date. Repeatability values were calculated using either (i) the data for eight individuals for which three BMR measurements existed, or (ii) all the data from both years, yielding signi¢cant repeatabilities of 0.52 and 0.35, respectively. These values indicate that between 48 and 65% of the observed variation in BMR is due to intraindividual variability, while between-individual variability accounts for 35^52% of the variation in the BMR. This is the ¢rst report of a signi¢cant repeatability of the BMR of an endothermic organism across an elapsed time of more than one day.

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Section: Repeatability Of Bmr In Kittiwakes C Bech and Others 2165mentioning

confidence: 94%

Repeatability of basal metabolism in breeding female kittiwakes Rissatridactyla

Bech

Langseth

Gabrielsen

1999

Proc. R. Soc. Lond. B

104

View full text Add to dashboard Cite

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“…This contrasts with an increasingly prevalent view that variation in competitive ability is adaptive and arises because the benefits of competitiveness can be outweighed by associated costs [7][8][9][10][11][12]. Commonly, these costs might include fighting [13], higher exposure to stress hormones [14] and elevated metabolic rate leading to increased food demands [15,16]. Consequently, under some circumstances, relatively poor competitors can paradoxically outperform good competitors [17,18], suggesting that variation in competitive ability may reflect alternative behavioural strategies.…”

Section: Introductionmentioning

confidence: 99%

Personality and problem-solving performance explain competitive ability in the wild

2011

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Competitive ability is a major determinant of fitness, but why individuals vary so much in their competitiveness remains only partially understood. One increasingly prevalent view is that realized competitive ability varies because it represents alternative strategies that arise because of the costs associated with competitiveness. Here we use a population of great tits (Parus major) to explore whether individual differences in competitive ability when foraging can be explained by two traits that have previously been linked to alternative behavioural strategies: the personality trait 'exploration behaviour' and a simple cognitive trait, 'innovative problem-solving performance'. We assayed these traits under standardized conditions in captivity and then measured competitive ability at feeders with restricted access in the wild. Competitive ability was repeatable within individual males across days and correlated positively with exploration behaviour, representing the first such demonstration of a link between a personality trait and both competitive ability and food intake in the wild. Competitive ability was also simultaneously negatively correlated with problemsolving performance; individuals who were poor competitors were good at problem-solving. Rather than being the result of variation in 'individual quality', our results support the hypothesis that individual variation in competitive ability can be explained by alternative behavioural strategies.

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“…Despite their lower dominance rank compared to l styear males, alpha female willow tits Parus montanus show an equal nutritional status during winter, most probably resulting from protection against dominant flock members and enhanced access to preferred resources provided by their alpha mates (Hogstad 1992). Due to energetic constraints, securing mate protection and mate access to preferred resources might however entail important metabolic costs for the alpha males (see Roskaft et al 1986;Hogstad 1987b).…”

Section: Introductionmentioning

confidence: 99%

Individual variation in mate care by alpha males in crested tit winter flocks

Lens

Dhondt

1993

Behav Ecol Sociobiol

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Winter flocks of crested tits Parus cristatus, typically consisting of two adults and one or two non-kin lst-year birds, were observed to split up into subflocks in a way related to ambient temperature. On warm days, when they were foraging in subflocks without 1 st-year birds, alpha males always occupied the most preferred upper foraging sites, as expected from their top dominance rank. On cold days, when foraging in flocks with lst-year birds, 8 out of 13 alpha males shifted to lower (less preferred) positions below their alpha mates while allowing the latter to forage at the best sites. As enhanced access to preferred microsites on days with high energy stress is believed to increase overwinter survival probability, this shifting behaviour of alpha males can be considered as a form of mate care. Out of 13 alpha males, however, 5 did not shift and always occupied the best foraging sites irrespective of flock composition. As (i) these non-shifting males were in poorer physical condition than shifting males, (ii) they scanned significantly less for predators than either females or shifting males when foraging in the uppermost tree parts, and (iii) four out of five non-shifting males were replaced by immigrants in early spring, absence of mate care during winter may be caused by constraints due to condition. High-quality-territory owners in poor condition at the end of autumn were most vulnerable to replacement by immigrants. Therefore, as four out of five replacements affected high-quality territories, selective intrusion by immigrants is suggested.

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The relationship between social status and resting metabolic rate in great tits (Parus major) and pied flycatchers (Ficedula hypoleuca)

Cited by 124 publications

References 21 publications

Repeatability of basal metabolism in breeding female kittiwakes Rissatridactyla

Repeatability of basal metabolism in breeding female kittiwakes Rissatridactyla

Personality and problem-solving performance explain competitive ability in the wild

Individual variation in mate care by alpha males in crested tit winter flocks

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