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Laysan duck: Anas laysanensis: 500-680 [21] CR [21] [21] No total population estimate is given due to the birds rarity. [21] Bernier's teal: Anas bernieri: 630-1,900 [22] EN [22] [23] Total population is not given. This estimate for mature individuals is based on multiple counts over the years. [22] Blue duck: Hymenolaimus malacorhynchos: 1,200 ...
The duck curve is a graph of power production over the course of a day that shows the timing imbalance between peak demand and solar power generation. The graph resembles a sitting duck, and thus the term was created. [2] Used in utility-scale electricity generation, the term was coined in 2012 by the California Independent System Operator. [3] [4]
Spotted whistling duck Dendrocygna guttata (Schlegel, 1866) Indonesia, New Guinea, Australia and the Philippines Size: 43–50 cm tall. Males can weigh anywhere from 590g to 650g while females weigh 610g to 860g. Habitat: Diet: LC 6,700 - 17,000 [20] Lesser whistling duck Dendrocygna javanica (Horsfield, 1821) Indian subcontinent and Southeast ...
The domestic duck features in the musical composition Peter and the Wolf, written by the Russian composer Sergei Prokofiev in 1936. [35] The orchestra illustrates the children's story while the narrator tells it. [36] In this, a domestic duck and a little bird argue on each other's flight capabilities. The duck is represented by the oboe.
The Egyptian goose (Alopochen aegyptiaca) is an African member of the Anatidae family including ducks, geese, and swans. Because of their popularity chiefly as an ornamental bird , the species has also been introduced to Europe, the United States and elsewhere outside their natural range.
Bill Withers, who wrote the song, took it to the top of the charts in 1972. A version recorded by Club Nouveau reached number one in 1987. Thanks for the earworm, puzzle! ... DUCK DUCK GOOSE: The ...
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Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight.Birds have a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems capable of very high metabolic rates and oxygen supply, permit the bird to fly.