15-day nestling mass of great tits as a function of clutch size during

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Poor prey quality is compensated by higher provisioning effort in passerine birds

Great tits feed their nestlings with more but smaller prey items and fewer caterpillars in cities than in forests

André DHONDT, Professor, Ph.D. Ghent State University

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Total incubation time (during day and night) in hours (±SE) of great