There are multiple articles stating that Obsession perfume by Calvin Klein is a strong attractant for big cats (jaguars, leopards, tigers, et al) in Costa Rica, Guatemala, India and the Brooklyn Zoo.
https://www.google.com/gasearch?q=costa+rica+animals+deterred+by+obsession+calvin+klein
So the field is wearing cologne? (I had the same thought but the meme does NOT make that clear. Actually the meme itself doesn’t mention big cats at all.)