[7] After finishing high school, Day worked as a logger for five years on Vancouver Island before graduating in 1976 from the University of Victoria.
[8] Day has published over 46 books of poetry, natural history, ecology, mythology, fantasy and children's literature.
[6] Day explored his theory that Alice's Adventures in Wonderland was written in mathematical code in his book, Alice's Adventures in Wonderland: Decoded,[5] based on 18 years of research studying more than 1,000 different editions of Carroll's book.
[6] Colin Tudge, writing in New Scientist reviewed The Doomsday Book of Animals, writing: The fate of D. Maximus provides one of the most poignant case-histories among the three hundred extinctions taking place over a mere three centuries that David Day describes in his outstanding The Doomsday Book of Animals.
[19]A review in Quill & Quire wrote of Nevermore: Best known as the author of the Doomsday Book of Animals, poet and naturalist David Day returns to the subject of extinction with a frankly unclassifiable volume that combines primary texts, prose, and poetry.
Taking the form of a 24-hour meditative vigil of the kind practiced by the Coptic Orthodox Church, each section in the book is devoted to a species of animal that has gone extinct during the time that homo sapiens has walked the earth. ...