LifeUnknown animals left birdlike footprints long before birds existed Ancient footprints found in Lesotho resemble those left by birds, but they were made around 60 million years before the ancestors of birds split from other dinosaurs News
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