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In number theory, a narcissistic number [1] [2] (also known as a pluperfect digital invariant (PPDI), [3] an Armstrong number [4] (after Michael F. Armstrong) [5] or a plus perfect number) [6] in a given number base is a number that is the sum of its own digits each raised to the power of the number of digits.
Lovebird is the common name for the genus Agapornis, a small group of parrots in the Old World parrot family Psittaculidae. Of the nine species in the genus, ...
Genus Agapornis (lovebirds) Selby, 1836 – nine species Common name Scientific name IUCN Red List Status Range Picture Rosy-faced lovebird: A. roseicollis (Vieillot ...
They resemble the lovebirds of Africa in size, body shape and behaviour and have sometimes been referred to as "South American lovebirds", but are not closely related. [2] In the wild, parrotlets travel in flocks ranging in size from about four to over a hundred birds. Most species travel in flocks of about five to forty.
Debuting in 1966, "The Newlywed Game" put lovebirds to the test to find out who knew their partner best. ... then built his résumé hosting a number of game shows, including NBC's "Wizard of Odds ...
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The monk parakeet and the cliff parakeet are the only two parrot species outside some members of the African lovebirds (Agapornis sp.) [17] that build nests. Monk and cliff parakeets are unique among even nesting parrots for their construction of large, external nests in trees or manmade structures instead of using tree cavities. [18]
There's no specific definition of "micro-walking," but some research has shown it's possible to get a health boost from walking as little as 10-30 seconds. And it's especially beneficial for ...