@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}
}