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.
At three weeks of age, the little baby hummingbirds are now looking more like a real hummingbirds. They are testing out their wings more and more in preparation for flight. In the next few days, these little baby hummingbirds will fly away as real adult hummingbirds, never to return back to the nest.epending on the type or species of hummingbird, the little babies will weigh approximately 0.62 grams. That's one-third (1/3) the weight of a United States Dime. They are about one (1) inch long and cannot regulate their own body heat. Their beaks are short, stubby, and yellow.