- The Brown Creeper is a very small, slender songbird, measuring about 5 inches (14 cm) in length from bill tip to tail ... they are roughly the same length as a typical sparrow, but have a much leaner silhouette, weighing only about 0.3 ounces (8 grams) - In southeastern Arizona, the Brown Creeper (Certhia americana) is a regular resident primarily found in the high-elevation coniferous forests of the "Sky Islands" mountain ranges - While they are native year-round above 5,000 feet, they often descend into lower-elevation oak woodlands, canyons, and riparian areas during the winter months - Look for them high up in the pine, fir, and spruce zones of ranges like the Chiricahuas, Santa Catalinas, Huachucas, and Santa Ritas ... In the winter, they spread down into popular birding corridors such as Ramsey Canyon and Madera Canyon - Their mottled, bark-like brown-and-white backs make them nearly invisible when stationary against a tree trunk