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Mandarin Duck
2006-03-09 11:10:52

The Mandarin Duck (Aix galericulata) is a medium-sized perching duck closely related to the North American Wood Duck. It is 41-49 cm long with a 65-75 cm wingspan. Adult males are striking and unmistakable with their red bill, large white crescent above the eye and reddish face and "whiskers". The breast is purple with two vertical white bars and the flanks ruddy with two orange "sails" at...

Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.