The as they migrate between Iceland and the UK.
A Google Earth plug-in lets users drop down to literally a birds eye view to see what the swans are seeing.
Gareth Brown, partner at One Black Bear, said: "This has been a really interesting project to be involved in and is part of a much wider remit we have with WWT.
"Unlike most sites making use of Google's map API, we have also developed the site to work with Google Earth's new web browser plugin, allowing you to follow the swans at bird's eye view without the need to use the Google Earth application.
"Over the coming months we will be helping WWT to develop their main website as well as various digital communications channels."