Normally, I think of "Cardinal" as "Moving". Like, Aries is a Cardinal Fire sign. Imagine moving fire... it's lava coming for you and there is nothing you can do about it. There are three qualities: Cardinal ("moving"), Fixed ("not moving") and Mutable (or "faint"). Fixed water, or water that doesn't move, is ice (Scorpio). Mutable Earth, or Earth that ends is a precious gem or stone (Virgo).
If you mean Nathan Kress** then his birthday is November 18, 1992. That would make him a Scorpio.
it is a math term
no
The Cardinal Bird is most often linked to Christmas. Indian legend has it that if you see a Cardinal flying towards the sun it is a sign of good fortune.
A cardinal is a senior ecclesiastical official, usually an ordained bishop, and ecclesiastical prince of the Catholic Church
a number denoting quantity
Cardinal numbers - it's Spanish.
Cardinal numbers - it's Spanish.
Finding a cardinal's feather has no significance other that the pleasure of finding such a pretty thing. There is nothing supernatural involved.
Chicago does not have a unique state bird. If you mean what is the Illinois state bird that would be the northern cardinal
Coincidence.
The translation of the phrase horoscopo gratis varies, but its general meaning is a free forecast of someone future. The term gratis meaning free and the term horoscopo meaning horiscope, or predictions of an individuals future.