A now extinct breed of North American pigeon. Once extraordinarily common, it was hunted to extinction in the 19th century.
Passenger Pigeon Term Timeline in A Sand County Almanac
The timeline below shows where the term Passenger Pigeon appears in A Sand County Almanac. The colored dots and icons indicate which themes are associated with that appearance.
Part II: Wisconsin
...the natural landscape, allowing the loam to slowly erode, restricting the rivers, and allowing the passenger pigeon to die off. (full context)
Leopold meditates on the now extinct passenger pigeon , for whom a monument was built and dedicated in 1947. Society grieves for the... (full context)
Part III: Natural History
...Instead, he is impressed by a chemist who taught himself about the history of the passenger pigeon by extensively reading archival material about it, and an Ohio housewife who obsessively observed and... (full context)