The article discusses the Big Garden Birdwatch, an annual event organized by the Royal Society for the Protection of Birds (RSPB) in Britain, which is celebrating its 40th anniversary. The event, described as the world's largest 'citizen-science' survey of garden wildlife, has seen British bird lovers spend eight million hours over the years observing birds. The article highlights the UK's rich birdlife and suggests that for avid birdwatchers, exploring more exotic locations around the world like Papua New Guinea, Japan, and Brazil for birdwatching can be an exciting venture. It also compares the number of participants in the event to the attendance of Premier League football matches, emphasizing the popularity of birdwatching in the UK.