Telegraph: Despite one of the coldest winters in recent memory there has already been evidence of wildlife responding up to three weeks in advance of normal. The new season does not officially begin until next week’s vernal equinox, but already there have been unusually early sightings across the UK. Thousands of people are responsible for reporting their observations to Woodland Trust’s Nature’s Calendar on which the findings are based. Shaun Nixon, the survey’s manager, said: …