Complex sentence: Those of King Island were first described as a separate species "elizabethae" by A.J. Campbell in 1901, with a deeper blue colour still; birds of Flinders Island are intermediate between King Island and Tasmanian forms.
Split into simpler sentences: Those of King Island were first described as a separate species "elizabethae" by A.J. Campbell in 1901, with a deeper blue colour still. Birds of Flinders Island are intermediate in colour between the King Island and Tasmanian forms.