In WWII, engineers seriously considered using cats to steer bombs towards ships because "cats hate water." They had to actually drop a cat (in harness, so it didn't get hurt) to prove that it was a boneheaded idea. After that, I'd never think that just because it sounds insane, any idea was too far-out for those people, even bomb-warming chickens. Of course, there were any number of sensible ways that a bomb could have been kept at the right temp for a week, so I'm not buying this one, just on the grounds that easier techniques existed.
That's pretty good.
But the plans to train British seagulls to crap on German periscopes has it beat.