Reimchen TE and Douglas SD. 2021. Loon abundance and behaviour over four decades at a remote ecological reserve on Haida Gwaii, British Columbia, Canada. Can. Field-Naturalist 135: 28-38.

Douglas SD and Reimchen TE. 2021. Vocal repertoire, harmonic structure, and behavioural context in Red-throated Loon (Gavia stellata). Can Field Naturalist 135(2): 165–180. https://doi.org/10.22621/cfn.v135i2.2569.

• Sheila D. Douglas and Ruth A.Stockey. 1992. Insect fossils in middle Eocene deposits from British Columbia and Washington State: faunal diversity and geological range extensions. Canadian Journal of Zoology 74(6):1140-1157.

Douglas, S.D. 1991. Trees and Shrubs of the Queen Charlotte Islands. Islands Ecological Research, Queen Charlotte City, 101 pp.

Douglas, S.D. and T.E. Reimchen. 1988. Habitat characteristics and population estimate of breeding Red-throated Loons, Gavia stellata, on the Queen Charlotte Islands.Canadian Field-Naturalist 102: 679-684.

• Douglas, S.D. 1991. Flower form and pollinator diversity in the Middle Eocene of British Columbia and Washington. M.Sc.  thesis, University of Alberta, Edmonton. https://doi.org/10.7939/R3901ZP9X

Douglas, S.D. and T.E. Reimchen. 1988. Reproductive phenology and early survivorship in Red-throated Loons, Gavia stellata. Canadian Field-Naturalist 102: 701-704.

Reimchen, T.E. and S.D. Douglas. 1985. Differential contribution of the sexes to prefledged young in Red-
throated Loons. Auk 102: 198-201.

Reimchen, T.E. and S.D. Douglas. 1984. Feeding schedule and daily food consumption in Red-throated Loons (Gavia
stellata) over the prefledging period. Auk 101: 593-599.

Reimchen, T.E. and S.D. Douglas. 1984. Seasonal and diurnal  abundance of aquatic birds on the Drizzle Lake Reserve, Queen Charlotte Islands, British Columbia. Canadian Field-Naturalist 98: 22-28.

Douglas, S.D. 1983. Floral color patterns and pollinator attraction in a bog habitat. Canadian Journal of Botany 61:
3494-3501.

Douglas, S. D. 1982. The Charlottes’ muskeg: natural history notes. In Tales from the Queen Charlotte Islands, Book 2. Senior citizens of the Queen Charlotte Islands, Masset B.C. Reimchen, T.E. and S.D. Douglas. 1980. Observations of Loons (Gavia immer and G. stellata) at a bog lake on the Queen Charlotte Islands. Canadian Field-Naturalist 94: 398-404.