That's a lot of tabasker sauce, them farts be igniting after eating that much!!
On the caspsaicin, is it all birds that can't taste it or just certain families / genus? curious now. Is there something though that would keep them out of things you'd rather they not eat on you, .. something...
Neem Oil is used fairly effectively as an insecticide because it taste bad, they won't eat stuff that is sprayed in it... so I am told.
Chickens...
Can we spray veggies, and garden stuff with neem oil to make it less tasty to chickens so they will be less enticed to munch on it? If not Neem...