The Magnolia Warbler is a tiny burst of sunshine, decked out in black, white, and bright yellow with racing stripes on its chest like it’s ready to win a birding Grand Prix. It flits through dense trees with nonstop energy, showing off its flashy tail feathers in a cheerful game of hide-and-seek. And when it sings its sweet, buzzy tune, it turns the forest into its own personal concert hall.