Ingo the flamingo, believed to be the oldest resident of the Berlin Zoological Garden, has died, the institution announced. “Ingo the flamingo passed away at the age of 75,” the zoo announced on Instagram late Wednesday. “The pink flamingo had lived in Berlin since 1955 – truly a legend!” Numerous people were saddened by the news on Instagram and posted crying smileys and messages of condolence under the zoo’s post. An inscription on a ring around Ingo’s leg, discovered several years ago, indicates that the bird was born in Cairo on June 23, 1948. That would make Ingo older than a gorilla at t…