John Vidal has published a neat article in The Guardian about how the animal internet and digital tracking of animals is offering new data on the epic trips some species make, and their role in ecology and economics. It's fully of interesting case studies and recent discoveries that have come out of the innovations in tracking technologies we've seen in the last few years. 

For example:

'...the Arctic tern, which last week was shown by Newcastle University scientists to have made the longest-known migration, a 60,000-mile round trip between Northumberland and its winter home in the Weddell Sea, Antarctica.

'Until now the details of this tiny bird’s massive journey were little known. Over its lifetime, said the researchers, it might fly more than 1.8 million miles – almost the equivalent of four trips to the Moon and back.'

Read more.