Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Forest plot showing subgroups for vital status and crown status and the overall effect of all subgroups combined on log‐scaled x‐axis. The relative probabilities of tree selection are >1 which indicates that the proportion of trees that were dead or had a broken crown was higher for nest than available trees. Numbers in parenthesis refer to number of studies/bird species contributing to this category
