Long-term decrease in egg size shared by contrasting populations of Atlantic Puffins Fratercula arctica in North Norway
Barrett, R.T., Anker-Nilssen, T. 2011. Long-term decrease in egg size shared by contrasting populations of Atlantic Puffins Fratercula arctica in North Norway. Seabird Group 11th International Conference, Plymouth, UK, 2-4 Sept 2011: 23.