… We describe canonical trends in the evolution of body size, synthesize current understanding
of the patterns and causal mechanisms at various hierarchical scales, and discuss the …

… , body size evolution can be an essential component of the generation and maintenance of
biodiversity. Here we investigate how body size evolution … We analyse an extensive body size …

… Among pygostylians, the Songlinornithidae, a clade of ornithuromorphs that includes
Yanornis and Yixianornis in our trees, exhibit a strong trend of body size increase (μ = 0.098 per …

… We did not find support for a consistent evolutionary trend towards larger sizes among …
body size evolution by fitting a set of different uniform and non-uniform evolutionary models, …

… This lack of any directional trends suggests that body size evolution in odonates have
largely followed an unbiased random walk process since the last mass extinction at the KT …

… and resultant adult body size. This environmental influence has been reflected in “secular
trends” (… Selective and evolutionary advantages of small or large body size also have been …

… temperature trends over the Cenozoic. Across birds and mammals, we find that the rate of
body size evolution is primarily driven by past climate. Unexpectedly, evolutionary rates are …

… Within a statistical framework, we analyzed these data to characterize the mode of evolution
of phenotypic traits (body size and hypsodonty) over time. The more considerable diversity …

… can be defined as an ecogeographical trend where species’ body size varies as a negative
function of temperature. Originally studied in mammals, this trend has now been identified in …

… changed throughout evolutionary time with different patterns between males and females, …
in the body size evolution rate alongside a decrease in both male and female body size. …