What species is this black, blue and white bird?
That bird is commonly called a magpie. The only species found in Alberta is Pica hudsonia. You can see a reference image on the left and their distribution throughout Canada on the right:




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Interestingly, it is one of the only non-mammals studied that is able to recognize itself in a mirror. In fact, these and other corvids are thought to be some of the most intelligent species on Earth.

You mentioned that you didn't hear them chirp. These birds are actually quite loud and about fifty of them used to wake me up every morning. Have a listen (not my video).