that guy seems to GOAT some kind of obssesion and..... http://seattletimes.nwsource.com/html/nationworld/2018759128_goatman25.html
The only half-reasonable explanation I've heard for this guy is "very dedicated nature photographer," but nobody could actually make out any camera gear, so... goat sex?
Read the article RJMC linked to. The guy is a hunter preparing for goat hunting season, although as the article says, "dressing as the animal you want to hunt is a bad idea".
He can go on acting the goat as long as he likes. Spoiler (Move your mouse to the spoiler area to reveal the content) Show Spoiler Hide Spoiler
I'm pretty sure I saw some guy in a crocodile suit when I was in Sri Lanka. Spoiler (Move your mouse to the spoiler area to reveal the content) Show Spoiler Hide Spoiler