Species Loss

<><><> Monarch Butterflies <><><>


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Data source: Brower, L.P. et al., Decline of monarch butterflies overwintering in Mexico: is the migratory phenomenon at risk? Insect Conservation and Diversity (2012), 5, 95-100. Last updated 2020/03/30.

Video

<><><> North American Birds <><><>

Three billion North American birds have vanished since 1970