cellular - characterized by or divided into or containing cells or compartments (the smallest organizational or structural unit of an organism or organization); the cellular construction of a beehive; any effective opposition to a totalitarian regime must be secretive and cellular.
They are among the smallest of birds, most species measuring in the 7.5â13 cm (3â5 in) range. Indeed, the smallest extant bird species is a hummingbird, the 5-cm bee hummingbird, weighing less than a U.S. penny (2.5 g). They are known as hummingbirds because of the humming sound created by their beating wings which flap at high frequencies audible to humans.
The Smallest bird in the world (Bee Hummingbird) weighs just 1.6 gm whereas the largest Bird in the world (Ostrich) weights 104 Kg. In this article First scientific study of Worldâs smallest birds was done by Juan Lembeye in the year 1850, and in that year he published the list of 10 Smallest Birds.