London hosts one of the most surprising mixes of wildlife in the UK, with species ranging from scorpions and snakes to seals, turtles, peacocks and birds of prey living far beyond the confines of the zoo. This diversity is driven by the city’s patchwork of “microclimates” – a mosaic of gardens, allotments, railway lines, waterways and pockets of ancient woodland that create varied habitats within short distances.
Urban areas are often warmer than the surrounding countryside, particularly in winter, allowing many species to survive and even thrive. Queen bumblebees can sometimes be seen foraging around Christmas, while rivers and canals that rarely freeze provide stable feeding grounds for herons and even otters.
Some animals have also adapted their behaviour to city life, changing how and where they hunt or move. London’s famous “Underground mosquito”, for example, thrives in the warm tunnels of the transport system, while yellow-tailed scorpions live in cracks in old dock walls, having arrived hidden in imported stone in the 19th century. Regent’s Park even supports the UK’s main population of Aesculapian snakes, likely descended from escaped specimens that found suitable conditions among urban woodland.
Together, these examples show how cities like London are not wildlife deserts but dynamic environments where nature proves remarkably adaptable, carving out niches in the most unexpected places.

