Conditioned Response in Buzzards

I'm amazed at what animals "learn" with just a few repetitions (i.e. conditioned responses).

Examples include:

Pavlov's dogs salivating at the ringing of a bell after the sound is associated with food.

Cats learning that if I catch them in my yard using a flowerbed as a toilet that it best to "run" before the barrage of curse words and bullets start.

Grizzle bears coming to the sound of a rifle shot since they've learned to associate it with food (usually a fresh elk or mule deer gut pile or a slow, fat hunter).

After a successful hog hunt this past weekend, I took two hog carcasses to the field where hides, bones and guts are usually discarded.  I guess it has been slim pickin's for the buzzards since deer season ended a month ago.  After dumping the pigs, I turned around to what looked like the opening scene from The Birds.

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A Man in the Woods