Multiple methods of diet assessment reveal differences in Atlantic puffin adult and chick diets both between and within years
William L. Kennerley,
Gemma V. Clucas,
Donald E. Lyons
Abstract:Atlantic puffin (Fratercula arctica, hereafter puffin) reproductive success in the Gulf of Maine (GoM) has decreased following a recent oceanographic regime shift and subsequent rapid warming. Concurrent changes in both the regional forage fish community and puffin chick diet and provisioning rates suggest that inadequate prey resources may be driving this decline. To determine what prey GoM puffins were feeding on during two years of marine heatwave conditions, we assessed puffin diet using two methods: tradi… Show more
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