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The hybrid between the black-chinned hummingbird and Anna's hummingbird is called "Trochilus" violajugulum. The black-chinned hummingbird is also known to hybridize with Anna's, [4] Lucifer, [4] broad-tailed, [4] and Costa's hummingbirds. [5] As of 2011, it has the smallest known genome of all living amniotes, only 0.91 pg (910 million base ...
The black jacobin breeds between July and May, and two broods per year are common. Its nest is a cup made of fine plant fibers and cobweb, placed on the mid-rib of a large horizontal leaf, typically between 1 and 4 m (3.3 and 13 ft) up in a tree or shrub. The clutch size is two eggs. Females use a display flight to distract predators. [5
The type species is the white-necked jacobin. [2] ... Size and ecology ... Black jacobin Florisuga fusca (Vieillot, 1817)
Hummingbirds are small birds capable of hovering in mid-air due to the rapid flapping of their wings. They are the only birds that can fly backwards. Mexican violetear, Colibri thalassinus (A) Ruby-throated hummingbird, Archilochus colubris; Black-chinned hummingbird, Archilochus alexandri; Anna's hummingbird, Calypte anna (A)
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 species is quite small, with an average weight of just 0.4 to 0.6 ounces, according to All About Birds. Pine siskins are mostly brown, with streaks of black all over and some yellow coloring ...
The bumblebee hummingbird is 5.9 to 7.5 cm (2.3 to 3.0 in) long and weighs 2 to 2.7 g (0.071 to 0.095 oz); it is one of the smallest hummingbirds. [8] [9] Both sexes of both subspecies have a short, straight, blackish bill and a small white spot behind the eye. [8]
Size and ecology IUCN status and estimated population Ruby-throated hummingbird Male Female Archilochus colubris (Linnaeus, 1758) Central America, Mexico, and Florida, and migrates to Eastern North America: Size: Habitat: Diet: LC Black-chinned hummingbird Male Female Archilochus alexandri (Bourcier & Mulsant, 1846)