Daily nest predation rates for bellbirds on Aorangi Island, where exotic predators were never introduced, in Waiman Bush, where exotic predators were removed, and in Kowhai Bush, where all exotic predators are present.

<p>Shared letters within bars denote non-significant (i.e., <i>p</i>>0.05) statistical differences using the CONTRAST programme <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0002331#pone.0002331-Sauer1" target="_blank">[41]</a>. Figures above bars are the number of nests in each study site.