Three taxidermied penguins preside over Room 426 in Allwine Hall, standing atop a row of metal cabinets in the back corner. A meticulous “spot count” he performed in Council Bluffs as a UNO graduate student found a nearly even split between black and red squirrels, according to his 1973 master’s thesis. Plus, he saw black squirrels as “super cute.” “Omaha …