Herring gull, Little Catalina, Newfoundland, Canada, June 1, 2018.
Now that marijuana is legal in Canada everyone is getting in on harvesting grass. Larus argentatus An adult Herring Gull was spotted bait-fishing. It floated bits of bread on the surface of a Paris pond and attacked goldfish feeding on the bread. It ate none of the bread itself, indicating deliberate tool use. source - https://www.allaboutbirds.org/guide/Herring_Gull/