Clever Seal Identifies Numbers and Letters! - Part 2 - Extraordinary Animals - Earth
The testing of Rio goes to new levels of sophistication. Rio deduces what a number and a letter is, more than just as visual shapes but more like functional categories, just as we humans do. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK o ...
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