Supplementary Feeding of Young Puffins, Fratercula arctica

SUMMARY (1) The paper reports on the results of giving wild young puffins on St Kilda and the Isle of May, Scotland, an additional 50 g of food per day and compares their growth with captive young given unlimited food, young fed by a single parent, and controls. (2) Young raised on unlimited food became much heavier than controls. Young given additional food were lighter but still attained significantly heavier weights than controls. These...