Heck, Berlin A.
-
Bulletin of the Oklahoma Ornithological Society Vol 29, No 4 (1996) - Articles
Red crossbill invasion of Oklahoma during the summer of 1996
Details PDF -
Bulletin of the Oklahoma Ornithological Society Vol 34, No 2 (2001) - Articles
History and status of the Swainson's Warbler in Oklahoma
Details PDF -
Bulletin of the Oklahoma Ornithological Society Vol 38, No 2 (2005) - Articles
Avian prey taken by Mississippi kites in Oklahoma
Details PDF -
Bulletin of the Oklahoma Ornithological Society Vol 39, No 2 (2006) - Articles
First successful nesting of inca dove in Oklahoma
Details PDF -
Bulletin of the Oklahoma Ornithological Society Vol 41, No 4 (2008) - Articles
Yellow rail in Oklahoma
Details PDF -
Bulletin of the Oklahoma Ornithological Society Vol. 43 No. 2 (2010) - Articles
Hurricane-driven birds in southeastern Oklahoma
Abstract PDF