An eye for scent marks

birds of prey also have UV vision, and some years ago Finnish researchers have observed that kestrels discriminate active from abandoned vole trails by UV vision, thus improving their hunting success. It would not be an advantageous evolutionary strategy if rodents could tolerate such a weakness without profiting from the urine UV-reflectance themselves. This further suggests that the visual recognition of scent marks constitutes an advantage which makes up for the increased risk of predation.


Contact: Dr. Leo Peichl, Max Planck Institute for Brain Research
49- 69-96769-219

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