The winter of 1916-1917 has shown a number of uncommon things concerning the avifauna of the region under consideration, of which Sioux City is the central station. The notes will be presented in the form of an annotated list of the birds found, but account will not be taken of a number of late migrating species which were seen within the limits of time hereinafter adopted, such, for example, as the Pipit, and others. Winter visitors and summer stragglers only will be listed.
Proceedings of the Iowa Academy of Science
©1917 Iowa Academy of Science, Inc.
Stephens, T. C.
"Bird Records During the Past Winter, 1916-1917, in Northwestern Iowa,"
Proceedings of the Iowa Academy of Science, 24(1), 245-258.
Available at: https://scholarworks.uni.edu/pias/vol24/iss1/39