Crows are intelligent birds and learn quickly – even from each other.
In Sweden, they are used to collect cigarette butts and bring them to a machine that automatically rewards them with peanuts.

Here some links provides by users:
https://journals.sagepub.com/doi/10.1177/25166042241296275
and:
https://www.heise.de/news/Schwedisches-Start-up-hinter-Kippenstummel-sammelnden-Kraehen-meldet-Insolvenz-an-11094091.html

@1Sauerlaender in the age of ai slop I found this hard to believe so I did a bit of digging and I’m happy to report back that this seems to be true!! the startup is called Corvid Cleaning AB

https://journals.sagepub.com/doi/10.1177/25166042241296275

@uint8_t @1Sauerlaender

Sadly the startup closed down and the picture of the machine is not real (the actual prototype can be seen in your link)

https://www.heise.de/news/Schwedisches-Start-up-hinter-Kippenstummel-sammelnden-Kraehen-meldet-Insolvenz-an-11094091.html

Schwedisches Start-up hinter Kippenstummel sammelnden Krähen meldet Insolvenz an

Ein schwedisches Start-up trainiert Krähen, um Kippenstummel einzusammeln – so eine Meldung aus 2022, die viral ging. Jetzt hat die Firma Insolvenz angemeldet.

heise online
@sista_ray @uint8_t @1Sauerlaender i imagine this is the same french guy that was trying to train crows to gather dropped coins