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The lesser violetear is roughly medium-sized by hummingbird standards. It averages around 9.7 to 12 cm (3.8 to 4.7 in) in total length. Its bill is black and mostly straight with only a slight downward curve and measures from 1.8 to 2.5 cm (0.71 to 0.98 in).
The black-chinned hummingbird is 8.25 cm (3.25 in) long. Adults are metallic green above and white below with green flanks. Their bill is long, straight and slender. The adult male has a black face and chin, a glossy purple gorget, and a dark forked tail. The female has a dark rounded tail with white tips and no throat patch.
The Mexican violetear is roughly medium-sized by hummingbird standards. It averages around 9.7 to 12 cm (3.8 to 4.7 in) in total length. Its bill is black and mostly straight with only a slight downward curve and measures from 1.8 to 2.5 cm (0.71 to 0.98 in). [3] The body mass can vary from 4.8 to 5.6 g (0.17 to 0.20 oz).
In one day, the bee hummingbird may visit 1,500 flowers. [6] It is a diurnal bird that can fly at 40–48 km/h (22–26 kn; 11–13 m/s), and it beats its wings 80–200 times per second, which allows it to remain stationary in the air to feed on flowers. The bee hummingbird lives up to seven years in the wild, and 10 years in captivity. [3]
The calliope is the smallest breeding bird found in Canada and the United States. [3] [4] An adult calliope hummingbird can measure 7–10 cm (2.8–3.9 in) in length, span 11 cm (4.3 in) across the wings and weigh 2 to 3 g (0.071 to 0.106 oz). [4] Calliope hummingbirds have glossy green on the back and crown with white underparts. [3]
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 tiny white spot behind the eye, common among hummingbirds, is often not visible in this species, but the white ankle tufts, also common among the Trochilinae, are well-developed. The remiges are blackish-brown. It has a slightly decurved medium-long black bill. The sexes are very similar, but females are about one-fourth smaller and ...
The birds are very weak, as they had to survive the long trip down the coast and are out of their natural habitat. They get water from their food, so without food they are dehydrated and hungry.