The UK's tallest bird, the Common Crane, has had the most successful breeding season since the 17th Century.
Watch a report by ITV News Anglia's Kate Prout.
The latest survey of the bird shows it is continuing to make a comeback in the country and in East Anglia.
A record 54 pairs have produced 25 chicks this season, bringing the national population to around 180 birds, according to the RSPB.
The birds, which stand 120cm (4ft) tall, were once widespread in this country before they became extinct in the 17th Century as a result of hunting and the loss of the wetlands in which they make their home.
In 1979, a small number of wild cranes returned to the UK and established themselves in an area of the Norfolk Broads and slowly spread to other areas of eastern England with help from conservationists who worked to improve the habitat they need.
In 2010, the "great crane project" by the RSPB, Wildfowl and Wetlands Trust (WWT) and Pensthorpe Conservation Trust started working to create and improve existing habitat and hand-rearing birds for release.
Wild Cranes are now breeding in the Norfolk Broads and East Anglian Fens as well as other parts of the UK.