Population size changes for the kakapo. Red arrows indicate breeding years.
<a href="//commons.wikimedia.org/wiki/User:KimvdLinde" title="User:KimvdLinde">KimvdLinde</a>, <a href="//commons.wikimedia.org/wiki/User:Canley" title="User:Canley">Canley</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>, data from <a rel="nofollow" class="external text" href="https://www.doc.govt.nz/our-work/monitoring-reporting/national-status-and-trend-reports-2020-2021/kakapo-2020-2021/">Department of Conservation Te Papa Atawhai Monitoring and Reporting System</a>