On certain afternoons, if I time it just right, I may spot a brown creeper (Certhia americana) on the trunk of a tree in my front yard. Moving stealthily, almost imperceptibly up the tree, the brown creeper hunts for food among the bark. I watch this avian mission with a sense of appreciation, as the bird flies to other trees to repeat the process. These inconspicuous birds are denizens of the bark, creeping their way through the world largely unseen by human eyes. Even while watching closely, it is easy to … (read more)