A year in the life of animals at Welney nature reserve
14 December 2015 Last updated at 06:52 GMT
The birds and animals living at one of Europe's most famous wetland areas, Welney Great Ouse Wetland, in Norfolk, has been captured on film for a whole year.
The images of things like boxing hares and kingfishers were caught on camera and have now been turned into a special film.
Watch the film to find out more.