Nature


S


pring, summer, autumn, winter - we all have our favourite. From a young age, we learn to identify


the distinctive seasons in the UK and how nature reveals when we’re moving from one to the next. But climate change is threatening


the seasons as we know them, and this can impact our wildlife. With records dating back to 1736, Nature’s Calendar [the longest written biological record of its kind] is best placed to track, analyse and understand these changes. Yet we know far more about spring phenology than we do autumn. T anks to eager-eyed citizen


scientists across the UK, we have evidence that spring is advancing. T ousands of people have made a ritual of adding records to Nature’s Calendar each spring. From the fi rst bluebell fl owering or blue tit nesting, these records give us an insight into the impacts of weather and climate on key biological systems like food chains and bird breeding.


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