Smallest Bird in the world

Last Updated: February 12, 2025

Bee Hummingbird

Common Name:	Bee Hummingbird
Scientific Name:	Mellisuga helenae
Habitat:	Cuba and the Isla de la Juventud
Adult Male Size:	About 6 cm (2.4 in) long, including the bill and tail
Adult Male Weight:	About 1.6 grams (0.056 oz) Females are slightly larger
Lifespan:	About 7 years
Diet:	Nectar from flowers, supplemented with small insects and spiders
World Records:	Smallest bird, smallest wingspan, smallest bird egg, smallest bird nest, smallest warm-blooded animal
Reproductive Facts:	Females lay two tiny eggs (about the size of peas) in a small cup-shaped nest
Egg Incubation:	About 21 days