"Zoonomen Nomenclatural data" maintained by Alan P. Peterson at http://www.zoonomen.net
Reference for:
Strigiformes
Source:
ITIS & Species 2000 Catalogue of Life Management Hierarchy
Acquired:
2013-08-01
Notes:
M. Ruggiero & D. Gordon, eds. 2013. Consensus Management Hierarchy for the ITIS & Species2000 Catalogue of Life. Contributors: Nicolas Bailly, Thierry Bourgoin, Richard Brusca, Thomas Cavalier-Smith, Daphne Fautin, Dennis Gordon, Gerald Guala, Michael Guiry, Paul Kirk, Elliot Lefkowitz, David Mabberly, David Maddison, Alan Paton, Michael Ruggiero, Peter Stevens, and Brian Tyndall
Reference for:
Strigiformes
Source:
IOC World Bird List (v 8.1), website (version 8.1)
Acquired:
2018-01-22
Notes:
Gill, F., and D. Donsker, eds. 2018. IOC World Bird List (v 8.1). doi: 10.14344/IOC.ML.8.1. Available at http://www.worldbirdnames.org [Accessed 22 January, 2018]