Guardian: January The first butterflies – red admirals – are spotted. Snowdrops and crocuses emerge earlier than normal. February A sunny February means white-tailed bumblebees fly most days. March A bit of good news. The large tortoiseshell butterfly, thought to have been extinct in the UK, is bred successfully on National Trust land in south Devon. April Frost and snow hit bees hard. The first chough eggs are laid in south …