biologicaldiversity.org

m1mjM TIL the monarch butterfly population has declined 85% in two decades. The western population has suffered a 99% decline. Monarchs are threatened by pesticides — including toxic neonicotinoids and herbicides, which are killing off the milkweed plants they need to survive.
OoKE1 TIL The US Department of Agricultural uses M-44 "Cyanide Bombs" to control wildlife population
Lkpmm TIL about the Florida fairy shrimp, which was discovered in 1952 to be a unique species of fairy shrimp specific to a single pond in Gainesville, Florida. When researchers returned to that pond in 2011, they realized it had been filled in for development, thereby causing the species to go extinct.