Clare Stawski

Sep 3, 2023 | besjournals.onlinelibrary.wiley.com | Mari Aas Fjelldal |Clare Stawski |Jonathan Wright |Irja Ida Ratikainen

1 INTRODUCTION The dilemma of small-birds-in-winter needing to balance high energetic demands with limited foraging opportunities during short winter days is a well-known paradigm in behavioural ecology research (e.g. Bednekoff & Houston, 1994; Brodin, 2007; Brodin et al., 2017; McNamara et al., 1994). A similar but less well-known dilemma is the one small bats face in summer at high latitudes.