Butterflies collected as long ago as 1876 – the year Alexander Graham Bell made the world's first telephone call – are shedding new light on the earlier arrival of spring each year. Ecologists are using thousands of butterflies from museum collections to learn more about climate change.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/r...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/r...