Kathmandu. Generally, the average lifespan of doves and pigeons is around 20 years. However, a white pigeon named Sugar has stunned the world by living more than double the average lifespan of its species.Born on June 23, 1981, this angelic white pigeon lived for over four decades and successfully registered its name in the Guinness World Records as the world's oldest living pigeon. The bond between Sugar and its 77-year-old owner, Dwayne Orender, was deeply emotional and profound.According to Dwayne, Sugar was his best friend, and they spent most of their time together. They would sit together to watch their...