Is sociality associated with high longevity in North American birds?

被引：41

作者：

Blumstein, D. T. ^{[1
]}

Moller, A. P. ^{[2
]}

机构：

[1] Univ Calif Los Angeles, Dept Ecol & Evolut Biol, Los Angeles, CA 90095 USA

[2] Univ Paris 06, CNRS, UMR 7103, Lab Parasitol Evolut, F-75252 Paris 05, France

来源：

BIOLOGY LETTERS | 2008年 / 4卷 / 02期

关键词：

cooperative breeding; life-history theory of senescence; longevity; maximum lifespan;

D O I：

10.1098/rsbl.2007.0606

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Sociality, as a life-history trait, should be associated with high longevity because complex sociality is characterized by reproductive suppression, delayed breeding, increased care and survival, and some of these traits select for high longevity. We studied the relationship between cooperative parental care (a proxy of complex sociality) and relative maximum lifespan in 257 North American bird species. After controlling for variation in maximum lifespan explained by body mass, sampling effort, latitude, mortality rate, migration distance and age at first reproduction, we found no significant effect of cooperative care on longevity in analyses of species-specific data or phylogenetically independent standardized linear contrasts. Thus, sociality itself is not associated with high longevity. Rather, longevity is correlated with increased body size, survival rate and age of first reproduction.

引用

页码：146 / 148

页数：3

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