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The misconception caused by Karl von Frisch and his students’ findings was that ----.
We humans long assumed that our visual system stood
at the top of evolutionary success. Our knowledge of
colour vision was primarily based on what humans see:
researchers easily performed experiments on colour
perception in humans. Although scientists obtained
supporting information from a variety of other species by
recording the firing of neurons, we remained unaware
until the early 1970s that many vertebrates, mostly
animals other than mammals, see colours in a part of
the spectrum that is invisible to humans: the ultraviolet.
In fact, the discovery of ultraviolet vision began with
studies of insects conducted by Sir John Lubbock, who
discovered sometime before 1882 that in the presence
of ultraviolet light, ants would pick up their young and
carry them to dark areas or to areas illuminated by
longer wavelengths of light. In the mid-1900s, Karl von
Frisch and his students showed that bees and ants not
only see ultraviolet light as a distinct colour but use
ultraviolet in skylight as a compass. The finding that a
great number of insects perceive ultraviolet light
misleadingly gave rise to the idea that this spectral
region provides a private sensory channel that avian
predators like eagles and vultures cannot see. Nothing,
however, could have been further from the truth.
Subsequent research showed that birds, lizards, turtles
and many fish have ultraviolet receptors in their retinas.