The bee hummingbird is the smallest living bird.[1] Females weigh 2.6 g (0.092 oz) and are 6.1 cm (2.4 in) long, and are slightly larger than males, with an average weight of 1.95 g (0.069 oz) and length of 5.5 cm (2.2 in).[4] As its name suggests, it is scarcely larger than a bee.