THE FIERY-CROWNED RINGLET. 81 May they make their appearance in the Middle States. At this time, they dart among the elm and maple blossoms, and appear actively engaged in seizing flies on the wing and hunting young caterpil- lars. At the period of breeding, they sing melodiously, but weaker than the common wren. The nests are usually built towards the extremities of the branches of trees. It is round and has a small entry at the side.