Photo: USFWS Mountain-Prairie, Monarch on the milkweed (Some rights reserved)

The monarch butterfly (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae.

In 2022 the International Union for the Conservation of Nature added the North American population of monarch butterflies to their “red list” of species threatened with extinction.

Monarch butterfly’s spots help it migrate – BBC
Beloved monarch butterflies are now listed as endangered – NPR
Migratory monarch butterfly now Endangered – IUCN Red List
‘A cause for worry’: Mexico’s monarch butterflies drop by 26% in year
How a poisonous plant became breakfast, lunch and dinner for monarchs
Monarch populations in the US west are down 86% this year — Quartz
Eavesdropping on Monarchs@robflute

Elsewhere on the Web
National Wildlife Federation

2022 Media Release

Center for Biological Diversity Campaign
Save Western Monarch Butterflies

Sex, Lies and Butterflies

Recommended Listening
The bitter taste of the monarch butterfly – Off Track – Native to North America, it was an extraordinary string of luck including a gold rush, cyclones, the rise of ornamental gardening that led to the naturalisation of the monarch butterfly in Australia.

Monarch butterflies decrease by 90% since the 1990s – The iconic pollinator species which flies a long-distance migration has seen its numbers crash in under thirty years.

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Monarch butterfly

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