Source: Rebecca Niemiec/with permission. Play behavior, whether it's by dogs, cats, other companion animals, or wild, freely roaming creatures, is a topic that attracts widespread transdisciplinary ...
“Happiness is never better exhibited than by young animals, such as puppies, kittens, lambs, etc., when playing together, like our own children.” (Charles Darwin, The Descent of Man, p. 99) Watching ...
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