Plus: a caribou’s dinner, avian “flyways,” what astronauts can learn from squirrels — and blue whale tongue-eating orcas

When one of the few remaining females of reproductive age in the southern resident population of North Pacific killer whales was found dead near Comox B.C. in 2014, an investigation was launched. The results highlight the challenges of protecting our most iconic marine mammals.

To save whales, we first have to understand them. Here are three Canadian projects aimed at doing just that.

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