The little blue heron has all-white juvenile plumage. France operates a derivative of Heron named Eagle or Harfang. The pigeon informed the fox of her teacher the heron. They are supervised by two teachers, Harriet the Heron and Osbourne the Owl. It is thus only slightly smaller than the great blue or grey heron ("A. cinerea"). These included Peter Lanyon, Terry Frost, Patrick Heron, Bryan Wynter and Roger Hilton. The show was produced by Sue Ann Taylor of Blue Heron Films. In 2002, he performed at the Royal Court as Griffin in "The Night Heron". Other countries operating the Heron include Singapore, India and Turkey. Human activities also constitute threats to the yellow-crowned night heron. It starred Anthony Jackson as narrator, Paul Daneman as Bilbo and Heron Carvic as Gandalf. There are two archaeological specimens of the black-crowned night heron in Great Britain. The cry of a heron or lightning to the right marked positive and promising omen. Aerial surveillance was provided by Heron and Hermes 450 UAVs and Apache attack helicopters. UNE was available starting with Ubuntu release 8.04 ("Hardy Heron").