allaboutbirds.org/news/power-str…
Perhaps the most well know for this is Gabi Mann, the girl who gets gifts from the birds. bbc.com/news/magazine-…
I can’t verify that as a scientist. I can’t say it’s wrong either.
Do give high protein foods like unshelled peanuts or pet kibble.
Don’t leave a mess for the rats. A good way to avoid this is to put out a small amount of food. A handful of nuts a day is plenty.
Don’t put out so much food that more crows are coming to your yard than your neighborhood was already supporting. This is bad for your relationships with your neighbors and for other wildlife.
Don’t assume this means crows are ruining the populations of other birds. corvidresearch.blog/2014/06/20/do-…
Don’t train to handfeed. You’re trying to build a relationship with healthily boundaries, not be Snow White.