Tower kills: http://www.towerkill.com

Fatal Light Awareness Program: http://www.flap.org/

Workshop on Avian Mortality at Communication Towers, Cornell University, Ithaca, NY. 1999: http://migratorybirds.fws.gov/issues/towers/agenda.html

Avian Collision and Electrocution /
COLISIÓN DE AVES Y ELECTROCUCIÓN: UNA BIBLIOGRAFÍA ANOTADA en: California Energy Commission. 1995. Avian Collision and Electrocution: An Annotated Bibliography. California Energy Commission, Publication Number: P700-95-001 http://www.energy.ca.gov/reports/avian_bibliography.html

Malakoff, D. 2002. High-flying science seeks to reduce toll at towers. Science 298(5592):357. http://www.sciencemag.org/cgi/content/summary/298/5592/357