IUCN Red List Is Incomplete: Remote Sensing Data Shows Hundreds More Species in Danger

The International Union for Conservation of Nature (IUCN) Red List has been the standard for determining the effects of a changing world on biodiversity since it was founded in 1964. But a recent study has revealed that more than 200 bird species in six rapidly developing regions are at risk of extinction even though they are not included in the IUCN Red List.