In migratory birds, early arrival on breeding sites is typically associated with greater
breeding success, but the mechanisms driving these benefits are rarely known. One …

The ecological consequences of climate change have been recognized in numerous
species, with perhaps phenology being the most well‐documented change. Phenological …

Climate change in the Arctic is leading to earlier summers, creating a phenological
mismatch between the hatching of insectivorous birds and the availability of their …

Quantifying habitat quality is dependent on measuring a site's relative contribution to
population growth rate. This is challenging for studies of waterbirds, whose high mobility can …

The Arctic is experiencing rapidly warming conditions, increasing predator abundance, and
diminishing population cycles of keystone species such as lemmings. However, it is still not …

Conservation status and management priorities are often informed by population trends.
Trend estimates can be derived from population surveys or models, but both methods are …

While increases in overall temperatures are widely reported in the Arctic, large inter-annual
variation in spring weather, with extreme early and late conditions, is also occurring. Using …

Highlights•The sperm storage hypothesis fails to explain many cases of extrapair
paternity.•Rates of extrapair paternity and social polyandry are lower than reported …

Mate guarding is typically considered a male strategy to protect paternity. However, under
some circumstances, females might also benefit from guarding their mate. Female mate …

Global climate change has altered the timing of seasonal events (ie, phenology) for a
diverse range of biota. Within and among species, however, the degree to which alterations …