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The Auk Washington, D.C. American Ornithologists' Union etc. 1884- birds periodicals, The caption features two distinct nests from Quill Lake, Saskatchewan. The top section showcases a Canada Goose nest, containing a clutch of six eggs nestled among soft down feathers and grass. The bottom section presents a Mallard nest, which includes several eggs positioned on a bed of natural materials, highlighting the differences in nesting habits between the two species. Both nests illustrate the intricate details of avian reproductive behavior in their natural habitat. (Photo by: Sepia Times/Universal Images Group via Getty Images)