Physiological and behavioural correlates of life-history variation: a comparison between tropical and temperate zone House Wrens
نویسندگان
چکیده
‡ Department of Biology, University of Missouri-St. Louis, 1 University Drive, St. Louis, MO 63121, USA, § Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands, ¶ Department of Biology, Kenyon College, Gambier, OH 43022, USA, ** Center for Isotope Research, University of Groningen, Nijenborgh 4, 9747 AG Groningen, the Netherlands, and Behavioral Biology, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands, †† Department of Ecology, Evolution, and Organismal Biology, Ohio State University, 318 W 12th Ave, Columbus, OH 43210, USA
منابع مشابه
Tropical birds have a slow pace of life.
Tropical birds are relatively long-lived and produce few offspring, which develop slowly and mature relatively late in life, the slow end of the life-history axis, whereas temperate birds lie at the opposite end of this continuum. We tested the hypothesis that tropical birds have evolved a reduced basal metabolic rate (BMR). We measured BMR of 69 species of tropical birds, the largest data set ...
متن کاملTropical anurans mature early and die young: Evidence from eight Afromontane Hyperolius species and a meta-analysis
Age- and size-related life-history traits of anuran amphibians are thought to vary systematically with latitude and altitude. Because the available data base is strongly biased towards temperate-zone species, we provide new estimates on eight afrotropical Reed Frog species. A meta-analysis of the demographic traits in 44 tropical anuran species aims to test for the predicted clinal variation an...
متن کاملFunctional linkages for the pace of life, life-history, and environment in birds.
For vertebrates, body mass underlies much of the variation in metabolism, but among animals of the same body mass, metabolism varies six-fold. Understanding how natural selection can influence variation in metabolism remains a central focus of Physiological Ecologists. Life-history theory postulates that many physiological traits, such as metabolism, may be understood in terms of key maturation...
متن کاملSperm competition in tropical versus temperate zone birds.
Sperm competition represents an important component of post-copulatory sexual selection. It has been argued that the level of sperm competition declines in birds towards the equator. However, to date, sperm competition estimates have been available mainly for avian species inhabiting the northern temperate zone. Here we apply a novel approach, using the coefficient of between-male variation (CV...
متن کاملAggressiveness, Boldness and Parental Food Provisioning in Male House Wrens (Troglodytes aedon)
Behavioural syndromes have been identified in a large number of species, yet our understanding of them in an ecological context remains poor. Specifically, there are few data that relate behavioural syndromes to other biologically important behaviours and, ultimately, to reproductive success. In this field study, we examined the aggressiveness and boldness of free-living male house wrens (Trogl...
متن کامل