Florida International University Raising Awareness For Extinct Birds and Florida Grasshopper Sparrow

https://news.fiu.edu/2017/12/lost-birds-exhibit-reveals-plight-of-florida-grasshopper-sparrow/117786

What Could Be the Pit of Death for Many Extinct Birds in New Zealand

https://www.atlasobscura.com/articles/pit-death-martinborough-new-zealand-birds-extinct