Changes in body composition during breeding: reproductive strategies of three species of seabirds under poor environmental conditions
Seabirds differ dramatically in life history traits and breeding strategies. For example, gulls
have short incubation shifts (several hours) and high metabolic rates, auks have medium-
length incubation shifts (12–24h) and high metabolic rates, and petrels have long incubation
shifts (days) and low metabolic rates. How these different strategies affect the dynamics of
body components is poorly known. We compared body, organ and lipid mass changes
among three different seabirds (gull: black-legged kittiwake Rissa tridactyla; auk: thick-billed …
have short incubation shifts (several hours) and high metabolic rates, auks have medium-
length incubation shifts (12–24h) and high metabolic rates, and petrels have long incubation
shifts (days) and low metabolic rates. How these different strategies affect the dynamics of
body components is poorly known. We compared body, organ and lipid mass changes
among three different seabirds (gull: black-legged kittiwake Rissa tridactyla; auk: thick-billed …
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