@article{Lahrman_1961, title={A Second Pair of Trumpeter Swans Nesting in Saskatchewan}, volume={19}, url={https://bluejayjournal.ca/index.php/bluejay/article/view/2396}, DOI={10.29173/bluejay2396}, number={1}, journal={Blue Jay}, author={Lahrman, Fred W.}, year={1961}, month={Mar.} }