 He did not seek renomination in 1904.Both during and after his time in Congress, Shiras participated in biological research and photography, to the extent that "National Geographic" has described him as "the father of wildlife photography" for his early use of camera traps and flash photography.On February 14, 1906, Shiras was elected Associate Member of the Boone and Crockett Club, a conservation organization founded by Theodore Roosevelt in 1887.