Crawford R, Makhado A, Upfold L, Dyer B. Short Communication<br><br>Mass on arrival of rockhopper penguins at Marion Island correlated with breeding success. Af J Marine Sci [Internet]. 2008 Jun. 25 [cited 2026 Nov. 8];30(1):185-8. Available from: https://www.ajol.info/index.php/ajms/article/view/33527