@article{porter_nest_1975, title = {Nest ecology, productivity and growth of the loggerhead shrike on the shortgrass prairie}, volume = {19}, number = {4}, author = {Porter, DK and Strong, MA and Giezentanner, JB and Ryder, RA}, year = {1975}, keywords = {SGS, production, growth, shortgrass prairie, nesting habits, loggerhead shrike} }