In May 2020 a sighting was reported that suggested that a Caiman might be living in the Fairburn Ings nature reserve. Caimans are a small relative of the alligator and are usually found in...
In 2002 there were reports of a large underwater predator, probably a huge catfish living in the lake and eating the local swans. The following BBC report dates from 27 July 2002.
‘A giant fish which has attacked swans at a bird sanctuary has been spotted by wildlife experts.