Sue Donaldson (also known as Susan Cliffe; born 1962) is a Canadian writer and philosopher.
She has also co-authored numerous articles in peer-reviewed academic journals on the topic of animal rights.In 2004, she published a young adult novel, Threads of Deceit, under the name Susan Cliffe.
This monograph is a historical fiction and mystery novel set in nineteenth century Upper Canada.
Wild animals, who live wholly or mostly separately from the mixed human/animal society, should be conceived of as sovereign over their own territory.
Intervention to reduce wild animal suffering would accordingly be acceptable if compatible with respect for their sovereignty.