Riverside: Cooper Ornithological Club, 2008. Octavo, paperback, tables, graohs, maps.
WAS $35. Studies in Avian Biology No, 36. A study of the population status of the rufa subspecies of the Red knot (Calidris canutus), which breeds in the central Canadian Arctic and mainly winters in Tierra del Fuego, and has declined dramatically in the past 20 years.
Price: $20.00 AU