https://jumear.github.io/stirfry/iNatAPIv1_observations_species_counts.html?project_id=world-heritage-natural-site-observations
For those who wish to create a list. It takes a few seconds to generate once you are there.

Thought I would add a journal post where users can post and add to, in the comments, resources with regards to World Heritage Natural Sites:
Discover the 252* natural and mixed sites on the World Heritage List

Markdown hint
[Discover the 252 natural and mixed sites on the World Heritage List ] immediately followed by (https://www.iucn.org/theme/world-heritage/natural-sites) will just show the title without the link showing as above

https://jumear.github.io/stirfry/iNat_observation_grid_widget.html?order_by=votes&place_id=any&project_id=world-heritage-natural-site-observations&columns=16&rows=8&view=species