The Walthamstow Wetlands is a large urban wetland nature reserve in London, and the largest of its kind in Europe. It’s known ...

Nearby, a red-rumped agouti — a South American rodent that looks like a large, long-legged guinea pig — scuttled behind a tree trunk. A few feet away, an Arabian sand cat put its paw inside a log to ...

Two decades ago squeaks at Hanningfield alerted conservationists to the presence of soprano pipistrelles, which are among the ...