@article {5316, title = {Notes on the Breeding Biology and Behavior of the Ravens of Peregrine Ridge, Great Smoky Mountains National Park, Tennessee}, journal = {The Migrant}, volume = {51}, year = {1980}, note = {Illustrations}, month = {December}, pages = {77-80}, publisher = {The Tennessee Ornithological Society}, keywords = {Alum Cave, Crows, jays, and ravens, Peregrine Peak}, url = {http://www.tnbirds.org/MigrantOnline/V051/v051077-080.pdf}, author = {Williams, Morris D} } @article {5320, title = {Yellow-Crowned Night Heron: A New Breeding Species for the Great Smoky Mountains National Park}, journal = {The Migrant}, volume = {49}, year = {1978}, note = {Illustrations}, month = {December}, pages = {81-82}, publisher = {The Tennessee Ornithological Society}, keywords = {Birds -- Classification and description, Birds -- Reproduction, Herons, bitterns, and egrets}, url = {http://www.tnbirds.org/MigrantOnline/V049/V049081-082.pdf}, author = {Williams, Morris D} } @article {5322, title = {First Breeding Record of the Black Vulture in the Great Smoky Mountains National Park}, journal = {Migrant}, volume = {48}, year = {1977}, month = {March}, pages = {11-12}, publisher = {The Tennessee Ornithological Society}, keywords = {Birds -- Reproduction, Vultures}, author = {Williams, Morris D} }