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Energy requirements for hummingbirds do not scale evenly with size increases, meaning a larger bird such as giant hummingbird requires more energy per gram to hover than a smaller bird. [21] The giant hummingbird requires an estimated 4.3 calories of food energy per hour to sustain its flight. [21] This requirement along with the low oxygen ...
Hummingbird females build a nest resembling a small cup about 1.5 inches (3.8 cm) in diameter, commonly attached to a tree branch using spider webs, lichens, moss, and loose strings of plant fibers (image). [14] [15] Typically, two pea-shaped white eggs (image) – the smallest of any bird – are incubated over 2–3 weeks in breeding season.
The bee-eaters were first named as a scientific group by the French polymath Constantine Samuel Rafinesque-Schmaltz, who created the bird subfamily Meropia for these birds in 1815. [ 1 ] [ 2 ] The name, now modernised as Meropidae, is derived from Merops , the Ancient Greek for "bee-eater", [ 3 ] and the English term "bee-eater" was first ...
The red-billed streamertail (Trochilus polytmus), also known as the doctor bird, scissor-tail or scissors tail hummingbird, is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is endemic to Jamaica and is the national bird of the country. [4] [5] [6]
The Juan Fernández firecrown's breeding season is from September to mid-November. The female constructs a small cup nest of woven fern fibers, other fibers, mosses, and spiderweb placed on the tip of a twig in cover, typically about 4 m (13 ft) above the ground. A 2011 study found more than 75% of the nests were in Myrceugenia fernandeziana ...
The Life of Birds is a BBC nature documentary series written and presented by David Attenborough, first transmitted in the United Kingdom from 21 October 1998.. A study of the evolution and habits of birds, it was the third of Attenborough's specialised surveys following his major trilogy that began with Life on Earth.
The rufous hummingbird (Selasphorus rufus) is a small hummingbird, about 8 cm (3 in) long with a long, straight and slender bill. These birds are known for their extraordinary flight skills, flying 3,200 kilometres (2,000 miles) during their migratory transits.
Deep cup nest of the great reed-warbler. A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American robin or Eurasian blackbird, or the elaborately woven hanging nest of the Montezuma oropendola or the village weaver—that is too ...