Obese super athletes: fat-fueled migration in birds and bats

CG Guglielmo - Journal of Experimental Biology, 2018 - journals.biologists.com
Migratory birds are physiologically specialized to accumulate massive fat stores (up to 50–
60% of body mass), and to transport and oxidize fatty acids at very high rates to sustain flight …

Rates of gut microbiome divergence in mammals

AH Nishida, H Ochman - Molecular ecology, 2018 - Wiley Online Library
The variation and taxonomic diversity among mammalian gut microbiomes raises several
questions about the factors that contribute to the rates and patterns of change in these …

Ecology and evolutionary biology of fishing bats

O Aizpurua, A Alberdi - Mammal Review, 2018 - Wiley Online Library
A few of the> 1300 bat species recognised worldwide are known to consume fish to various
extents. However, empirical information about how and how much different bat species …

Chitinase genes (CHIAs) provide genomic footprints of a post-Cretaceous dietary radiation in placental mammals

CA Emerling, F Delsuc, MW Nachman - Science Advances, 2018 - science.org
The end-Cretaceous extinction led to a massive faunal turnover, with placental mammals
radiating in the wake of nonavian dinosaurs. Fossils indicate that Cretaceous stem …

[HTML][HTML] Comparative metabolomics of aging in a long-lived bat: Insights into the physiology of extreme longevity

HC Ball, S Levari-Shariati, LN Cooper, M Aliani - PLoS One, 2018 - journals.plos.org
Vespertilionid bats (Mammalia: Order Chiroptera) live 3–10 times longer than other
mammals of an equivalent body size. At present, nothing is known of how bat fecal …

Metagenomic sequencing provides insights into microbial detoxification in the guts of small mammalian herbivores (Neotoma spp.)

KD Kohl, KF Oakeson, TJ Orr, AW Miller… - FEMS microbiology …, 2018 - academic.oup.com
Microbial detoxification of plant toxins influences the use of plants as food sources by
herbivores. Stephen's woodrats (Neotoma stephensi) specialize on juniper, which is …

Approaches for testing hypotheses for the hypometric scaling of aerobic metabolic rate in animals

JF Harrison - American Journal of Physiology-Regulatory …, 2018 - journals.physiology.org
Hypometric scaling of aerobic metabolism [larger organisms have lower mass-specific
metabolic rates (MR/g)] is nearly universal for interspecific comparisons among animals, yet …

The metabolic flexibility of hovering vertebrate nectarivores

KC Welch Jr, AM Myrka, RS Ali, MF Dick - Physiology, 2018 - journals.physiology.org
Foraging hummingbirds and nectar bats oxidize both glucose and fructose from nectar at
exceptionally high rates. Rapid sugar flux is made possible by adaptations to digestive …

Small intestinal epithelial permeability to water‐soluble nutrients higher in passerine birds than in rodents

C Garro, A Brun, WH Karasov… - Journal of animal …, 2018 - Wiley Online Library
In the small intestine transcellular and paracellular pathways are implicated in water‐soluble
nutrient absorption. In small birds the paracellular pathway is quantitatively important while …

Associations between Afrotropical bats, parasites, and microbial symbionts

HL Lutz, EW Jackson, PW Webala, WS Babyesiza… - bioRxiv, 2018 - biorxiv.org
Bats are among the most diverse animals on the planet and harbor numerous bacterial,
viral, and eukaryotic symbionts. The interplay between bacterial community composition and …