Though she first believed the insect to be a Saltbush Swallowtail Caterpillar, many finally identified it as a Vine Hawk Moth. 'I was so sure this was plastic!' a woman commented on the post.

Walking in her yard in Santa Fe, Argentina, one recent morning, Luján Eroles found what appeared to be a two-headed snake. At about four inches long, the creature greatly resembled a viper with a ...