english: So snakes have heat pits with which to detect infrared, and the ghost knifefish has electroreceptors, and the star-nosed mole has this appendage with 22 fingers on it with which it feels around and constructs a 3D model of the world, and many birds have magnetite so they can orient to the magnetic field of the planet.
non_english: Zmije imaju toplotne duplje kojima prepoznaju infracrvenu svetlost, a riba crni duh ima elektroreceptore, a zvezdaste krtice imaju taj dodatak s 22 prsta kojima opipavaju okolinu i konstruišu maketu sveta u 3D-u, a mnoge ptice imaju magnetit kojim se orjentišu prema magnetnom polju planete.