
Monarch butterflies are officially on the endangered species list
Fox News
Scientists have taken notice as the population of monarch butterflies has been decreasing over the past few years. The species has been categorized as endangered.
The International Union for the Conservation of Nature added the migrating monarch butterfly for the first time to its "red list" of threatened species and categorized it as "endangered" — two steps from extinct.
The group estimates that the population of monarch butterflies in North America has declined between 22% and 72% over 10 years, depending on the measurement method.
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