For some of us, it's hard to imagine our dogs understanding many more words than "sit" and "stay." Many of us can't even teach our dogs those simple words. But a border collie named Chaser has recently demonstrated a comprehension of over 1,000 words, putting many of our pets to shame.
Wofford College conducted a three-year experiment to test a dog's word comprehension limit. They introduced Chaser to 1,022 toys, and then asked her to fetch each one. Toys were grouped at random and placed in a separate room, as seen in this NewScientist video. Psychologist Alliston Reid reports that the dog completed over 838 tests, and always scored at least 90% correct.
The previous record-holder was a dog named Rico, who held a vocabulary of 200 words. Chaser has now far passed Rico in vocabulary knowledge.
Chaser's abilities places her at an intelligence level equivalent to a three-year-old human child. Now if only we could teach children to put away their toys as diligently as this dog...
WATCH this dog show off her vocab knowledge:
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