The dynamics of grooming interactions: maintenance of partner choice and the consequences of demographic variation for female mandrills

We thank the Badoca Safari Park staff, in particular the zookeeper Ricardo Cid and the veterinaries Alfredo Martin and Nuno Siqueira, for their help in the periods of data collection. We also thank Maria Campos and Raquel Costa for useful discussions regarding the studied colony of mandrills, and Elsa Rebelo for help with graphic edition. We are also very grateful to Jennifer Vonk and to three anonymous reviewers, whose help and suggestions significantly increased the quality of the paper.