Navigate to the EcoImages Portal - https://ecoimages.tern.org.au
Click on the Search Menu and it will lead to the Search Page
The Sites, Plots, and Site Visit IDs Facet has the filters that provides the options to select:
Sites,
Plots, and
Site Visit IDs Facet
the that is required.
The image on the right has a selected Site.
One or more Sitess can be selected.
Click on Clear to remove the selected items from the search criteria.