Speaking of snakes trying to swallow things they shouldn't, just based on scent & OBVIOUSLY not 'logic' check this out:
https://www.youtube.com/watch?v=xAH_oj4xgK4
I always thought some little kids were pretty adventurous when it comes to trying to eat things they shouldn't, but this mamba wins the "contest" -for cluelessness! He gets partial credit from me though, for finding the head (& nose)!