Daily energy expenditure during brood rearing of Great Tits Parus major in northern Finland

• Main Authors: Sanz, J.J., Tinbergen, J.M., Orell, M., Rytkonen, S.
• Format: Article in Journal/Newspaper
• Language: English
• Published: 1998
• Subjects: Parus major; parental effort; latitude; daily energy expenditure; KESTREL FALCO-TINNUNCULUS; CLUTCH-SIZE; TEMPERATURE; BIRDS; COSTS; DATE; Dee; Parus; Northern Finland
• Online Access: https://hdl.handle.net/11370/58d3a621-36f0-4ac3-9e7d-ee0fc48fe28c; https://research.rug.nl/en/publications/58d3a621-36f0-4ac3-9e7d-ee0fc48fe28c

We present data on the natural variation in daily energy expenditure (DEE, measured by the doubly labelled water technique) of individual female Great Tits Parus major tending their brood near the northern border of the species' distribution. We expected that longer foraging days would result i...