Yellow billed Moorhen

[Wandering star]

Just a record shot. Never seen one of these before and wondered if anyone else had. Taken at London Wetlands centre Barnes. Someone said it could be a Moorhen Coot cross. Any thoughts.
Yellow billed Moorhen by gary, on Flickr

 

[gramps]

https://www.birdforum.net/showthread.php?t=100786

Looks like there are a few about.