Monarch Butterfly Population (LINK)
courtesy of Tanis Giesbrecht (@mrs_giesbrecht)
Type of Graph: bar graph
Source: “Monarch Butterfly Population Drops by Nearly One-Third,” press release by Tierra Curry and Courtney Sexton for the Center for Biological Diversity
Potential Math Content: bar graph, developing theories about why, estimating value using the y axis,
Potential Content Connections: butterflies, population changes, biological diversity, climate change
