Flock Together Is The Birdwatching Collective Radically Reclaiming London's Green Spaces

On an overcast, particularly muggy Tuesday morning, a group of around 20 people has gathered in East London's Lee Valley park. Their age range sits somewhere between early twenties and early thirties, but (unusually for a London park) there are no drinks, no barbecues, no portable speakers, no stubbed-out cigarettes. And the conversation has taken a turn."Is that a jay?""No, it's too big to be a jay." "I think it's a pigeon.""A pigeon? Are you sure? It doesn't look like a pigeon.""It's a wood pi...