
Biodiversity, Macroecology and Biogeography Group led by Holger Kreft @BioGeoKreft @uniGoettingen
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ALT Relationship between tree height and species richness for all gliding vertebrate species (A) and separate classes (B–D). Black lines illustrate linear regressions for all species pooled together. Regressions for separate biogeographical regions (BGRs, coloured lines: see map in top right corner as legend) were only considered when they were significant.

ALT A Krefft's glider (Petaurus notatus) in remnant rainforest on the Atherton Tablelands in Queensland, Australia. These and other gliding vertebrates are well adapted to tall forests, relying on tree hollows for nesting and insects, gum, sap, pollen and nectar for foraging. In our study we found that global species richness of gliding vertebrates is strongly linked to tree height and density. Our results support long-debated hypotheses stating that gliding in vertebrates evolved globally in tall forests as energy-efficient locomotion between trees. Photo by Benjamin Wagner.























