Males and females often exhibit different behaviours during mate acquisition, pair‐bonding
and parenting, and a convenient label to characterize these behaviours is sex role. The …

Sex roles describe sex differences in courtship, mate competition, social pair‐bonds and
parental care. A key challenge is to identify associations among the components and the …

Many animals form long‐term monogamous pair bonds, and the disruption of a pair bond
(through either divorce or widowhood) can have significant consequences for individual vital …

The high occurrence of social monogamy in birds has led to questions about partner fidelity,
or the perennial nature of monogamy from one breeding season to another. Despite the …

Parental care can enhance offspring survival but may impose significant costs to parents.
The costs and benefits of care are key to understanding patterns of parental care, where …

Highlights•We examined the drivers and impact of divorce in thick-billed murres.•Divorce
decreased as experience, nest site quality and reproductive success increased.•Low …

Background Dispersal is a critical life history strategy that has important conservation
implications, particularly for at-risk species with active recovery efforts and migratory …

Background The allocation of resources between offspring size and number is a central
question of life-history theory. Although several studies have tested the existence of this …

Biodiversity related observational data are collected in a variety of ways and for a variety of
purposes, mostly in the form of some sort of organised data collection action. Data …

Shorebirds are facing global decline as a consequence of anthropogenic effects that include
habitat loss, increased predation and climate change. Although some shorebirds are …