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Infant sleep is an act of sleeping by an infant or a newborn. It differs significantly from sleep during adulthood. [ 1 ] [ 2 ] [ 3 ] Unlike in adults, sleep early in infancy initially does not follow a circadian rhythm .
The mantled guereza has many alternative common names including the guereza, the eastern black-and-white colobus, the magistrate colobus, [2] or the Abyssinian black-and-white colobus. [4] The name "mantled" refers to its mantle, the long silky white fringes of hair that run along its body and "guereza" is the native name of the monkey in ...
Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
The black swan was a literary or artistic image among Europeans even before their arrival in Australia. Cultural reference has been based on symbolic contrast and as a distinctive motif. The black swan's role in Australian heraldry and culture extends to the first founding of the colonies in the eighteenth century.