Differences in muscle fiber size and associated energetic costs in phylogenetically paired tropical and temperate birds

AG Jimenez, JB Williams - Physiological and Biochemical …, 2014 - journals.uchicago.edu
Tropical and temperate birds provide a unique system to examine mechanistic
consequences of life-history trade-offs at opposing ends of the pace-of-life spectrum; tropical …

Physiological underpinnings associated with differences in pace of life and metabolic rate in north temperate and neotropical birds

AG Jimenez, C Cooper-Mullin, EA Calhoon… - Journal of Comparative …, 2014 - Springer
Animal life-history traits fall within limited ecological space with animals that have high
reproductive rates having short lives, a continuum referred to as a “slow-fast” life-history axis …

Functional linkages for the pace of life, life-history, and environment in birds

JB Williams, RA Miller, JM Harper… - Integrative and …, 2010 - academic.oup.com
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 …

Sources and significance of variation in basal, summit and maximal metabolic rates in birds

AE Mckechnie, DL Swanson - Current Zoology, 2010 - academic.oup.com
The rates at which birds use energy may have profound effects on fitness, thereby
influencing physiology, behavior, ecology and evolution. Comparisons of standardized …

[HTML][HTML] Cellular metabolic rate is influenced by life-history traits in tropical and temperate birds

AG Jimenez, J Van Brocklyn, M Wortman, JB Williams - PLoS One, 2014 - journals.plos.org
In general, tropical birds have a “slow pace of life,” lower rates of whole-animal metabolism
and higher survival rates, than temperate species. A fundamental challenge facing …

Active and resting metabolism in birds: allometry, phylogeny and ecology

PM Bennett, PH Harvey - Journal of Zoology, 1987 - Wiley Online Library
Variation in resting metabolic rate is strongly correlated with differences in body weight
among birds. The lowest taxonomic level at which most of the variance in resting metabolic …

Small organ size contributes to the slow pace of life in tropical birds

P Wiersma, B Nowak… - Journal of Experimental …, 2012 - journals.biologists.com
Attributes of an animal's life history, such as reproductive rate or longevity, typically fall along
a 'slow–fast'continuum. Animals at the fast end of this continuum, such as temperate birds …

Energetic bottlenecks and other design constraints in avian annual cycles

T Piersma - Integrative and comparative biology, 2002 - academic.oup.com
The flexible phenotypes of birds and mammals often appear to represent adjustments to
alleviate some energetic bottleneck or another. By increasing the size of the organs involved …

Metabolic rate is negatively linked to adult survival but does not explain latitudinal differences in songbirds

AJ Boyce, JC Mouton, P Lloyd, BO Wolf… - Ecology …, 2020 - Wiley Online Library
Survival rates vary dramatically among species and predictably across latitudes, but causes
of this variation are unclear. The rate‐of‐living hypothesis posits that physiological damage …

Comparison of myonuclear domain in phylogenetically paired tropical and temperate bird species

AG Jimenez, AD De Jesus - Journal of Avian Biology, 2021 - Wiley Online Library
The life‐history theory of evolution posits that organisms are maximized for reproductive
success through the processes of natural selection. Though believed to impact nearly every …