[fennokin]

Yes. He guides his brother(?) with the aircraft via walkie-talkie. There seemed like there was a point where the resolution of the camera wasn't high enough to figure out which was the hunter and which was the pig. Maybe easily solved if the hunter wore a flashing IR beacon or something.

[runjake]

Not so much in stills, but in motion video it's pretty easy to discern between human and animal[1].

[1] Yeah, I've worked with this stuff, too.