Rhea americana is the American variety.
There are no ostrich-like birds in Argentina. The closest bird is the rhea, which is a member of the ratite family, to which the ostrich also belongs.
Although the 'th' is in the middle of the word weather, the sound is that of an initial 'th' because it is the initial sound of the second syllable, ther.
th a
Thunder
humitidy
By th weather
weather, arithmetic,
WEather vane
No Americana was created in 2008.
See pax-americana
It is warmer in the 20th century due to the greenhouse gas effects.