Rucker is vice president of All Things Wild, a wildlife rehabilitation and education organization based in Georgetown. He spoke as he presented Sam, one five-ounce, 6-inch tall, male screech owl, June 7 in Burnet at the Herman Brown Free Library, 100 E. Washington St. More than 30 rapt attendees heard Rucker speak as he carried Sam on his gloved wrist through the library meeting room. Owls are…