(See B.J. Adams et al., “Trees as islands: Canopy ant species richness increases with the size of liana-free trees in a Neotropical forest,” Ecography, doi:10.1111/ecog.02608, 2016.)
Image of the Day: Islands in the Sky
The crowns of some tropical trees shy away from one another, creating “islands” for critters that call the trees home.

