Many species of frogs and salamanders, in at least 12 families, alter their timing of hatching
in response to conditions affecting mortality of eggs or larvae. Some terrestrially laid or …

Short-term evolutionary potential depends on the additive genetic variance in the
population. The additive variance is often measured as heritability, the fraction of the total …

Amphibian embryos are at risk of microbial infection. Here we find evidence that innate
immune defenses, both antimicrobial skin peptides and mutualistic microbiota, of adult glass …

When experiencing resource competition or abrupt environmental change, animals often
must transition rapidly from an ancestral diet to a novel, derived diet. Yet, little is known …

The foam nests of the túngara frog (Engystomops pustulosus) form a biocompatible
incubation medium for eggs and sperm while resisting considerable environmental and …

Understanding how populations respond to rapid environmental change is critical both for
preserving biodiversity and for human health. An increasing number of studies have shown …

Organisms vary their rates of growth and development in response to environmental inputs.
Such developmental plasticity may be adaptive and positively correlate with environmental …

Environmentally cued hatching allows embryos to escape dangers and exploit new
opportunities. Such adaptive responses require a flexibly regulated hatching mechanism …

Induced defences are a typical case of phenotypic plasticity, involving benefits for
'plastic'phenotypes under environments with variable degree of stress. Defence induction, in …

In animals with complex life cycles, fitness trade-offs across life stages determine the optimal
time for transitions between stages. If these trade-offs vary predictably, adaptive plasticity in …