Definitions for "Red List"
A list generated by the Alberta Wildlife Management Division that indicates the status of a species. Species are placed on the Red List when current knowledge suggests that these species are at risk. These species have declined, or are in immediate danger of declining, to nonviable population sizes.
a list of plant and animal species created by wildlife biologists. Species on this list are endangered and may become extinct if humans do not help them to survive.
IUCN Red List of Threatened Species.