Maternal stress can prenatally influence offspring phenotypes and there are an increasing
number of ecological studies that are bringing to bear biomedical findings to natural …

Phenotypic traits developed in one life‐history stage can carryover and affect survival in
subsequent stages. For songbirds, carryover effects from the pre‐to post‐fledging period …

In many species, individuals must contribute extensively to offspring care to reproduce
successfully. Within species, variation in care is driven by local social, physiological, and …

In many cooperative societies, including our own, helpers assist with the post-natal care of
breeders' young and may thereby benefit the post-natal development of offspring. Here, we …

Although cooperatively breeding vertebrates occur disproportionately in unpredictable
environments, the underlying mechanism sha** this biogeographic pattern remains …

Most phenological traits are extremely sensitive to current climate change, and advances in
the timing of important life‐history events have been observed in many species. In birds …

Background Climate change presents considerable challenges for endotherms because
they must maintain high, relatively constant body temperatures across a range of …

BACKGROUND Support from families can reduce costs of reproduction and may therefore
be associated with higher fertility for men and women. Family supportiveness, however …

Group living can be beneficial when individuals reproduce or survive better in the presence
of others, but, simultaneously, there might be costs due to competition for resources. Positive …

Fairy-wrens have always played a pivotal role in the study of cooperative breeding. So far as
we are aware, the first recognition that more than two birds could combine to rear a single …