But it is not won over by the occasion, saying the kisses were "the most perfunctory and chaste of pecks".

BBC: Newspaper review: A kiss that defined a royal day

Bird enthusiast and star volunteer Stella Walsh, a 62-year-old retiree, pecks away at her keyboard for about four hours each day.

CNN: Ninety years of birdwatchers' notes going online

Other times, though, the pigeon had to tap a tiresome 20 pecks before the light turned green and the grain was delivered.

ECONOMIST: Puritanical pigeons