Since the pigeons can find their way home even when wearing frosted eyeglasses, researchers believe that they calculate their position in relation to home by detecting the directions from which they receive important navigational information.
Putni ir tikuši iemidzināti vai ievietoti rotējošās tvertnēs un nogādāti svešā vietā, kuru no baložu mītnes šķir 150 kilometri. Tomēr arī tad pēc atlaišanas tie nezaudē orientāciju.