The migratory monarch butterfly, a sub-species of the monarch butterfly that travels around 4,000 kilometres across America each year, has been classified ‘endangered’ in the International Union for Conservation of Nature (IUCN) Red List of Threatened Species.
Milkweed produces glycoside toxins to deter animals from eating them, but monarchs have evolved immunity to these toxins.
Route for travelling of these Butterfly species
Reason for decline in their Population
IUCN red List
Purpose of the IUCN Red List Data
The information cited in the IUCN Red List is used by various organizations in the following ways:
The following are the nine categories of Red list:
Verifying, please be patient.