Eavesdropping on bats

Article Abstract:

Two investigations into bat echolocation provide striking examples of the sophistication and the possible evolutionary and ecological consequences of variability in call design. The level of detail available to an echolocating bat is a function of the wavelength of the sounds in its echolocation cells and so the differences in the frequencies that dominate its call influence a bat's auditory scene.

Environmental aspects, Echolocation (Physiology)

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Neural processing of a whistled language

Article Abstract:

'Silbo Gomero' is a type of whistled language which the Spanish shepherds use on the La Gomera island to communicate over far off distances. It is shown that areas of the brain normally associated with spoken-language function are also activated in proficient whistlers, but not in controls, when they are listening to 'Silbo Gomero'.

Spain, Usage, Oral communication, Whistling

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Ultraviolent vision in a bat

Article Abstract:

Ultraviolet vision which was discovered in mammals and in few rodents and marsupials helped in detecting ultraviolet light by independent photoreceptors. Bat species which are primarily oriented by echolocation, also use ultraviolet vision.

United States, Ultraviolet radiation, Vision research

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