https://www.ecowatch.com/monarch-butterflies-deaths-pesticides.html
Mass Die-Off of Western Monarch Butterflies Linked to Pesticides, Study Finds - EcoWatch
Aug 4, 2025 - A new peer-reviewed study has linked pesticides as a likely cause to a mass die-off of Western monarch butterflies that occurred in 2024.
mass die off
https://www.sciencedaily.com/releases/2019/05/190529180232.htm
Mass die-off of puffins recorded in the Bering Sea | ScienceDaily
A mass die-off of seabirds in the Bering Sea may be partially attributable to climate change, according to a new study.
mass die offthe bering seapuffins
https://www.thestandard.com.hk/world/article/317308/Mass-oyster-die-off-hits-Hiroshima-farms
Mass oyster die-off hits Hiroshima farms
Hiroshima Prefecture, Japan's largest oyster farming region, is experiencing mass oyster die-offs that officials describe as reaching "disaster-level"...
die offmassoysterhitshiroshima