Louis Agassiz Fuertes ( 1874 - 1927 ) was an American painter. Louis Agassiz Fuertes s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 9600 USD for BALD EAGLE in 2005 to 23000 USD for Ducks over marshlands in 2006 , based on the size and medium of the artwork.