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The blue-throated mountaingem is the largest hummingbird found in the United States. It is 11.2 to 12.8 cm (4.4 to 5.0 in) long. Males weigh an average of 8.4 g (0.30 oz) and females 6.8 g (0.24 oz). Both sexes have a medium-length black bill, though there is some variation among the subspecies and females' bills are longer than males'.
The blue-chested hummingbird (Polyerata amabilis) is a species of hummingbird in the family Trochilidae. It is found in Colombia , Costa Rica , Ecuador , Nicaragua , and Panama . Its natural habitats are subtropical or tropical moist lowland forest and heavily degraded former forest.
Hemaris thysbe, the hummingbird clearwing, is a moth of the family Sphingidae (hawkmoths). Coloration varies between individuals, but typically the moth is olive green and burgundy on its back, and white or yellow and burgundy on the underside. Its wings are transparent with a reddish-brown border.
The marvelous spatuletail is currently (early 2022) treated by worldwide taxonomic systems as the only member of its genus. [3] [4] [5] However, a molecular phylogenetic study of the hummingbirds published in 2014 found that the marvelous spatuletail was embedded in genus Eriocnemis, the "pufflegs". [6]
The ruby-throated hummingbird (Archilochus colubris) is a species of hummingbird that generally spends the winter in Central America, Mexico, and Florida, and migrates to Canada and other parts of Eastern North America for the summer to breed. It is the most common hummingbird in eastern North America, having population estimates of about 35 ...
Anna's hummingbird (Calypte anna) is a North American species of hummingbird named after Anna Masséna, Duchess of Rivoli. It is native to western coastal regions of North America. Until the late 20th century , Anna's hummingbirds migrated from locations as far north as Alaska and coastal British Columbia , returning south to breed in Baja ...
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 availability and thin air (generating little lift) at the high altitudes where the giant hummingbird usually lives suggest that it is close to the viable maximum size for a hummingbird. [22]
The broad-billed hummingbird is a small-sized hummingbird at about 8–10 cm (3.1–3.9 in) long. [3] It weighs only 3–4 grams, with the male weighing slightly more than the female. [3] The wingspan of the hummingbird is about 13 cm (5.1 in). [15] It has a long, bright reddish coloured bill that has a black tip. [16]