Herald: Many British birds are laying their eggs earlier in the year as a result of climate change, a report by conservation groups claimed yesterday. The report said birds were being forced to rapidly adapt their behaviour in order to survive, including altering their nesting and migration patterns and travelling further to find food. Work carried out by the British Trust for Ornithology (BTO) surveying 30,000 nests showed species such as the chaffinch and robin are laying their eggs …