Fledgling Great Horned Owls learn very quickly the power of an angry glance. Above, we see a sweet youngster relaxing in the woods. He is blissfully unaware of my presence and his cherubic face reflects it.
Below, he switches to his menacing look as soon as he notices me. The drastic change is alarming, impressive, and amazing.
Pygmy Nuthatches are tireless when it comes to feeding their young. These deliveries seem to continue as long as there is available light. Click on the image to see the larger version.