@article{journal,
author = {Lekuona, J. M. and Campos, F.},
title = {Extra-pair copulations of grey heron Ardea cinerea in Arcachon Bay (SW France)},
year = {1998},
volume = {21.2},
pages = {73--80},
journal = {Miscel·l{\`a}nia Zool{\`o}gica},
keywords = {Ardea cinerea, Breeding period, Extra-pair copulation attempts, Grey heron, Sperm competition}
}