Fwiw, we DO have "el Tigre" in Texas (and more & more emigrate to TX each year) & Jaguars DO have a "dark phase" that in dim light LOOKS black. (A bank surveillance camera in Mercedes, TX has taken video footage of Jaguars in the downtown at night.)
Btw, "El Tigre" considers humans only as a slow-moving, easily caught & tasty meal. = ALL jaguars will prey-upon people, if they are hungry & have the opportunity to do so. (Inasmuch as jaguars often eat monkeys, it's NOT surprising that they will attack/eat people, too. as homo sapiens are primates.)
