Monarch butterfly population rebounds, but it’s still one of the lowest numbers on record
Habitat loss, climate change and the use of pesticides are to blame for the population decline of monarchs, says Karen Oberhauser, the co-founder and co-director of the Monarch Larva Monitoring Project.
Monarch butterfly population rebounds, but it’s still one of the lowest numbers on record
Habitat loss, climate change and the use of pesticides are to blame for the population decline of monarchs, says Karen Oberhauser, the co-founder and co-director of the Monarch Larva Monitoring Project.