Technological advances in recent years have seen an explosion of tracking and stable
isotope studies of seabirds, often involving repeated measures from the same individuals …

We are at a crossroads where many nation states, including the United Kingdom of Great
Britain and Northern Ireland (UK), are committing to increased electricity production from …

Evolution is rapidly gaining attention as an important driver of ecological process. Yet,
evolution via sexual selection has generally been omitted from this emerging synthesis. Our …

Increasing urbanisation is detrimental for some animal species and potentially
advantageous for others. Urban-nesting populations of gulls have undergone rapid …

Humans have altered up to half of the world's land surface. Wildlife living within or close to
these human-modified landscapes are presented with opportunities and risks associated …

The aerial environment is heterogeneous in space and time and directly influences the costs
of animal flight. Volant animals can reduce these costs by using different flight modes, each …

Background Generalist predators may vary their diet and use of habitat according to both
internal state (eg breeding stage) and external (eg weather) factors. Lesser black-backed …

As environmental conditions fluctuate across years, seasonal migrants must determine
where and when to move without comprehensive knowledge of conditions beyond their …

Birds are vectors of dispersal of propagules of plants and other organisms including
pathogens, as well as nutrients and contaminants. Thus, through their movements they …

Abstract Sex-, size-or age-dependent variation in migration strategies in birds is generally
expected to reflect differences in competitive abilities. Theoretical and empirical studies …