Actually, this reminded me about the impact pesticides etc. have had on Parsi death rights in India. Parsi people rely on birds of prey to consume their dead bodies in Dakhma's (structures intended for dead bodies to be exposed to birds that consume carrion). Due to the destruction of the population it's basically become much more difficult.

More to read here if interested - https://en.wikipedia.org/wiki/Tower_of_Silence#In_India