Data from: Form-function relationships within species are uncoupled from those across species in swimming and jumping performance in arboreal frogs

Variation of form-function relationships within populations is the
substrate for adaptation at higher levels. Therefore, assessing similarity
in form-function relationships within and between species may help reveal
the processes shaping functional diversity. Here we test such similarity
across three levels of anuran phenotypic divergence: within a population,
among species in a single family (Hylidae; ~60 myr), and across a much
broader sample of all anuran species using a single microhabitat
(arboreal; ~120 myr). We expected less interspecific divergence to show
higher similarity of form-function relationships with the intraspecific
level. We analyzed the relationships between locomotor performance (in
both swimming and jumping) and several hindlimb traits across these three
evolutionary levels. While we found a positive correlation between
swimming and jumping velocity at both intra- and interspecific levels,
relationships between performance and body form did not match across
levels. We suggest that different strengths of functional constraints or
trade-offs may have produced more variation in form-function relationships
across species, decoupling them from within-species patterns. We conclude
that performance landscapes are likely qualitatively different across the
different evolutionary scales, potentially reflecting changes in the
relative importance of different behaviors across all arboreal species.