Metabolic Rates and Nighttime Energy Saving in Long-Distance versus ShortDistance Migratory Passerines
Billions of birds migrate thousands of kilometres twice a year. The migration is an energetic challenge, with over 70% of the total energy expenditure being spent at stopover sites. There are different strategies birds can use to conserve energy, such as reducing the metabolic rate. This study aimed to investigate the potential nighttime energy saving in long-distance versus short-distance migrati