Background The question of which ecological and evolutionary processes structure the
distribution of biodiversity has intrigued scientists for centuries, and historically, inferences …

Rhinoceros are among the largest and most endangered herbivores in the world. Three of
the five extant species are critically endangered, with poaching and habitat loss contributing …

Host-associated microbiomes are influenced by evolutionary history and proximate factors
such as diet and environment. Zoos house animals in relatively standardized and …

Microbial fermentation unlocks nutrients and prevents spoilage by digesting dietary
carbohydrates or protein to produce compounds that prevent putrefaction and the growth of …

Variability in gut morphology and physiology associated with dietary specializations is
observed across the animal kingdom. The increase in gut length relative to body size is one …