Bubo vosseleri, adult. Owl Aviaries, London ZSL, 27th November 1976. Scanned from a Kodachrome transparency.
This species is so unusual that there is no data for it on Zootierliste.
I haven't found a decent shot of any fishing-owl yet
But I haven't looked through many of my transparencies from the mid 1980s to 2004, so it is possible that I may eventually find one, as this species was also held at Chester.
I hope that there will be a couple of other rare owls in my next batch of scans