Polarized light vision in zebra finches (Taeniopygia guttata)
Do birds have a sixth sense? Many animals have been shown to possess the ability to sense polarized light, but this ability in birds has been a topic for debate. In this study captive male zebra finches were used in order to determine if they could distinguish different angles of polarized light. Polarized light is the direction of the angle of the light waves, thus two separate light sources c