Octopuses are excited by high definition television, say scientists.
In experiments evaluating how the creatures react to moving images, the animals responded far more vigorously to HDTV than standard definition TV.
It appears that standard definition moving images are not sufficiently "convincing" for the sophisticated cephalopods, say the scientists.
Researchers can now use HDTV as a tool to study elements of their behaviour, such as personality.
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