Every colored rectangle in this design represents a grouping of species into classes, with each bead representing a group of 125 species. The color of the rectangle indicates the percent of threatened species in that group, as listed below.
White: 1 – 15% threatened
Cobalt: 16 – 30% threatened
Red: 31 – 45% threatened
Yellow: > 46% threatened
This data is for extant species only, for which at least 80% of the population has been evaluated by IUCN teams, and representative of only the groups that have at least 150 species.
Visit our interactive data visualization page for more details and explanations. 5% of this purchase will be donated to the IUCN Red List, because this data is critical in helping us save our wildlife.
Figure 2 (version 2021-1) in https://www.iucnredlist.org/resources/summary-statistics
This product is in no way affiliated with or sponsored by the IUCN Red List.