A Blue Jay sighting always elicits delight here in eastern Canada when we see that shocking flash of blue suddenly cut across a stand of trees. Their unique markings make them an ideal subject for graphite drawing. They are intelligent, curious, bold, playful and endlessly entertaining. These characteristics may help explain why they have adapted to the loss of their native forest habitats by learning to survive in more populated suburbs and cities. Climate change however, including heat waves in the springtime, now endangers nestlings.