Dogs have long been thought of as one of the most intelligent animals around.And now, as technology imposes on all facets of life, we're able to capture moments that prove just how smart they can be.In amazing pet camera footage, the dog, who is seemingly home alone, scratches at the door then then uses the handle to open it.The one thing it didn't bank on, however, was the bolt lock at the top of the door.Maybe with a bit more practice, and some high-jumping skills, the dog would have been successful – that is, unless someone locks the door with a key next time.Dogs have often been the subject of studies to do with cognition, perception, awareness, memory and learning and are thought to learn in a similar fashion to that of young.
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