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Chaser could identify and retrieve 1,022 toys by name, [5] which was the result of a years-long research effort initiated by Pilley on June 28, 2004. [6] Pilley documents the following milestones as Chaser’s vocabulary grew over time: 50 words at 5 months, 200 words at 7.5 months, 700 words at 1.5 years, and 1,000+ at 3 years.
Betsy has a vocabulary of more than 340 words, [3] [6] which rivals that of the great apes in terms of intelligence and lateral thinking.After hearing a word only twice, Betsy is able to decipher that the sound is a command or instruction and regards it as such. [2]
We rounded up the smartest dog breeds. Check out the list and see how remarkably intelligent these furry friends are. That's right, they're adorable and smart.
Your pup is one smart cookie, but is it among the most intelligent dog breeds? Find out with our science-backed ranking. The post The 18 Smartest Dog Breeds appeared first on Reader's Digest.
Coren's book presents a ranked list of breed intelligence, based on a survey of 208 dog obedience judges across North America. [10] When it was first published there was much media attention and commentary in terms of both pros [11] and cons. [12] Over the years, Coren's ranking of breeds and methodology have come to be accepted as a valid description of the differences among dog breeds in ...
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Image credit: Diego_cervo/Getty Images It goes without saying that all dogs are adorable. But as anyone who's spent two minutes with a beagle knows, some breeds are just a little goofier than ...
John W. Pilley (July 1, 1928 – June 17, 2018) was an American behavioral psychologist best known for his research into canine cognition and language learning with his Border collie, Chaser, who had the largest tested memory of any non-human animal.