Animals often travel in groups, and their navigational decisions can be influenced by social
interactions. Both theory and empirical observations suggest that such collective navigation …

Phenology refers to the periodic appearance of life-cycle events and currently receives
abundant attention as the effects of global change on phenology are so apparent …

The first comprehensive review of all aspects of the biology of moult, drawing information
from across the literature and in all birds, from penguins to passerines. Feathers are …

Seasonal recurrence of biological processes (phenology) and its relationship to
environmental change is recognized as being of key scientific and public concern, but its …

Endogenous programs that regulate annual cycles have been shown for many taxa,
including protists, arthropods, fish, mammals and birds. In migration biology, these programs …

Almost all animal social groups show some form of fission–fusion dynamics, whereby group
membership is not spatio‐temporally stable. These dynamics have major implications at …

Anthropogenic changes in climate and land use are driving changes in migration patterns of
birds worldwide. Spatial changes in migration have been related to long-term temperature …

Migratory vertebrates adjust their movements in response to environmental change.
Throughout their migrations, they gather information, integrate environmental and internal …

Animal migration plays a central role in many ecological and evolutionary processes, yet
migratory populations worldwide are increasingly threatened. Adjusting migration timing to …

Timing of reproduction in temperate-zone birds is strongly correlated with spring
temperature, with an earlier onset of breeding in warmer years. Females adjust their timing …