The twenty Aliens that were surrounding the two girls seemed so strange. As they had heard from Chris, the Aliens are able to sniff out the scent of humans, caught anything moving with their smart eyes. But, in contrary to his description, these aliens couldn't see anything. It was like they do not have any eyes. Although they could smell the scent of humans around the air, they weren't able to detect where it was coming from.
What was even strange was that the Aliens do not have foots to move around. They are in an appearance of a dog with no foot and no eyes. But unlike the normal height of a Dog, these aliens were a bit bigger and larger, if not bigger than humans.
This gave the two girls an opportunity to sneak away without being caught by the Aliens. But as they move, the aliens kept on sniffing into the air, making a terrifying sound as they try to find the girls with their noses.