LifeHybrid puffins may have emerged in the 20th century due to warming Genetic analysis suggests that two subspecies of Atlantic puffin began interbreeding in Norway in the 20th century, perhaps as a result of warming in the Arctic News
LifeSick blackbirds go to bed earlier just like us Blackbirds given an injection that mimics a bacterial infection remained active during the day, but rested earlier in the evenings for up to three weeks News