The akikiki is a small Hawaiian honeycreeper found only on Kauai. It is 10.9 to 12.2 centimeters (4.3 to 4.8 inches) in length and 11.5 to 17.0 grams (0.39 to 0.58 ounces) in weight. Its head, back, sides, and flanks are dull gray to olive, the throat, breast, belly, and under-tail coverts are...