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Male (lower left) displaying its prominent gorget and a female ruby-throated hummingbird. Ruby-throated hummingbirds are solitary. Adults of this species are not social, other than during courtship (which lasts a few minutes); the female also cares for her offspring. Both males and females of any age are aggressive toward other hummingbirds.
Male Allen's hummingbird. The courtship flight of male Allen's hummingbirds is a frantic back-and-forth flight arc of about 25 ft (7.6 m) similar to the motion of a swinging pendulum, followed by a high-speed dive from about 100 ft (30 m) during which tail feathers emit a characteristic sharp flutter to further attract attention of the female. [15]
Like all hummingbirds, it is a swift, strong flier. The male has a green pileum and bright red throat, iridescent gorget with elongated lateral plumes, bluish upper parts, and the rest of the underparts mostly greyish white. [4] [5] Compared to other small hummingbirds, which often have a slender appearance, the bee hummingbird looks rounded ...
A nesting female Allen's hummingbird Each approximately the size of a pea, two eggs in the nest of an Allen's hummingbird Hummingbirds begin mating when they are a year old. [ 22 ] Sex occurs over 3–5 seconds when the male joins its cloaca with the female's, passing sperm to fertilize the female's eggs.
Xantus's hummingbird breeds between July and September or October in the northern part of its range and February to April in the south with a gradient between the areas. The nest is a cup of fine plant fibers, other plant materials, and small feathers bound with spiderweb and decorated with lichen and bark.
Female landing on a feeder. Medium in size, the broad-tailed hummingbird is 4 inches (10 cm) in length and possesses an overall wingspan of 5.25 inches (13.3 cm). Weighing around 3.6 grams (0.13 oz), the female tends to be slightly larger than the male. [ 5][ 6] Adults of both sexes show an iridescent green back, white eye ring and a rounded ...
Very little color is apparent from the side. The fiery-throated hummingbird is 10.5 to 11 cm (4.1 to 4.3 in) long. Males weigh 5.9 to 6.2 g (0.21 to 0.22 oz) and females 4.9 to 5.2 g (0.17 to 0.18 oz). Within each subspecies the male and female are alike. All have a mostly black bill with a pink base to the mandible and a small white spot ...
Archilochus. (bird) Archilochus is a genus of hummingbirds. It consists of two small migratory species which breed in North America and winter in Central America, Mexico and the southern United States . The genus Archilochus was introduced in 1854 by the German naturalist Ludwig Reichenbach with the black-chinned hummingbird as the type species.