Staff at Attenborough Nature Reserve were greeted by the arrival of five Egyptian goose chicks this morning.
Tim Sexton, assistant manager of the Nottinghamshire reserve's visitor centre, said it is believed the adult pair had a nest in a kestrel box in the Wheatear Field area.
He said although the birds are called geese, they are actually a relative of the shelduck.
The birds are the reserve's first new arrivals of the year, he added.
The British Trust for Ornithology said Egyptian geese tend to be early breeders with pairs defending breeding sites from early January.
The birds were introduced to the UK in the mid-19th Century in private collections and have since established feral populations across the Midlands.