Birds’ fancy footwork may be explained by move into trees, say scientists

Study of skills suggests practicalities of living among branches was precursor to advanced abilities

Whether it's drumming a steady beat against a tree to attract a mate, weaving an intricate nest or just lifting food to their beaks, some birds engage in some truly fancy footwork.

Now researchers say the evolution of such dexterity may have been driven by the creatures taking up residence in trees.