We found that red-winged blackbird parents increased aggression toward potential nest-predators as their broods aged and they adjusted their responses acco

The charismatic chiselers are built to chip away bark and hollow out holes. Here's why this behavior isn't typically harmful to a tree and can even be beneficial.

Behavioral traits are thought to be rarely or slowly lost when selection relaxes, but attempts to confirm this are rare. At the same time, behaviors can be

In the face of recent abrupt shifts in federal funding for education research, including large-scale terminations of National Science Foundation (NSF) research grant awards, we have developed a rap...

The authors performed phylogenetically controlled behavioural assays and analysed brain transcriptomes across five avian families, identifying convergent patterns of gene expression associated with aggression and nesting behaviour in obligate cavity-nesting birds.

Grantee accounts remain frozen, while union accuses NSF of ignoring rules governing peer review

An NSF online payment system remained down after the federal funding freeze was lifted, leaving early-career scientists scrambling to pay bills

Food-solicitation displays are critical to the survival of dependent young. These signals often evolve in extreme ways in response to familial conflict among siblings and between parents and offspring...