grasslands

by Jaclyn Long figures by Wei Wu Grasslands are a type of ecosystem that make up over a quarter of the earth’s land. These habitats are often found in between deserts and forests, and are characterized by low levels of rainfall and regular…

By co-opting weather tracking data and using surveys, scientists have determined that the populations of hundreds of North American bird species are in decline - with the exception of wetland species, which might be increasing due to conservation efforts.