Bake Oven Knob Autumn Hawk Count Bibliography

Annual Hawk Count Results and Techniques

Heintzelman, Donald S.

• 1963 Bake Oven Hawk Flights.  Atlantic Naturalist 18(3): 154-158.
• 1964 Bake Oven Knob Migration Observations.  Cassinia, 47: 39-40.
• 1966 Bake Oven Knob Migration Observations (1964 and 1965).  Cassinia, 49: 33-34.
• 1968 Bake Oven Knob Autumn Hawk Migration Observations, 1966 and 1967.  Cassinia, 50: 26-27.
• 1970 Bake Oven Knob Autumn Hawk Migration Observations, 1957 and 1969.  Cassinia,52: 37.
• 1975 Autumn Hawk Flights: The Migrations in Eastern North America. Rutgers University Press, New Brunswick, NJ.
• 1979 A Guide to Hawk Watching in North America. Penn State University Press, University Park, PA.
• 1982a Hours of Observation at the Bake Oven Knob, Pennsylvania Hawk Lookout (1957-1981).  Cassinia, 59: 78.
• 1982b The 1982 Autumn Hawk Count at Bake Oven Knob, Pennsylvania.  American Hawkwatcher, 5: 1-6.
• 1983 The 1983 Autumn Hawk Count at Bake Oven Knob, Pennsylvania.  American Hawkwatcher, 8: 1-6.
• 1984 The 1984 Autumn Hawk Count at Bake Oven Knob, Pennsylvania.  American Hawkwatcher, 9: 1-5.
• 1985 The 1985 Autumn Hawk Count at Bake Oven Knob, Pennsylvania.  American Hawkwatcher, 10: 1-4.
• 1986 The Migrations of Hawks. Indiana University Press, Bloomington, IN.
• 1987 The 1986 Autumn Hawk Count at Bake Oven Knob, Pennsylvania. American Hawkwatcher, 11: 1-2.
• 1988 The 1987 Autumn Hawk Count at Bake Oven Knob, Pennsylvania. American Hawkwatcher, 12: 1-2.
• 1989 The 1988 Autumn Hawk Count at Bake Oven Knob, Pennsylvania.  American Hawkwatcher, 13: 1-2.
• 1990 The 1957-1989 Bake Oven Knob, Pa., Autumn Hawk Migration Field Study:  A 30Year Review and Summary.  American Hawkwatcher, 17: 1-16.
• 1993 The 1992 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 19: 2-3.
• 1994 The 1993 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 20: 2-3.
• 1995 The 1994 and 1995 Autumn Hawk Counts at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 21: 2-4.
• 1996 The 1996 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 22: 2-4.
• 1997 The 1997 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 23: 2-4.
• 2000 Extreme Migration Dates and Maximum Daily Raptor Counts, During Autumn at Bake Oven Knob, Lehigh County, Pennsylvania, USA.  International Hawkwatcher, 1:19-21

Heintzelman, Donald S. and Thomas V. Armentano

• 1965 Autumn Bird Migration at Bake Oven Knob, Pa., Cassinia, 48: 2-18.

Heintzelman, Donald S., and Robert MacClay

• 1972 The 1970 and 1971 Autumn Hawk Counts at Bake Oven Knob, Pennsylvania. Cassinia, 53: 3-23.
• 1973 The 1972 Autumn Hawk Count at Bake Oven Knob, Pennsylvania.  Cassinia, 54: 3-9.
• 1975 The 1973 and 1974 Autumn Hawk Counts at Bake Oven Knob, Pennsylvania.  Cassinia, 55: 17-28.
• 1976 The 1975 Autumn Hawk Count at Bake Oven Knob, Pennsylvania.  Cassinia, 56: 1521.
• 1979 The 1976, 1977, and 1978 Autumn Hawk Counts at Bake Oven Knob, Pennsylvania.  Cassinia, 57: 19-20.

Heintzelman, Donald S. and Barry Reed

• 1982 The 1979, 1980, and 1981 Autumn Hawk Counts at Bake Oven Knob, Pennsylvania.  Cassinia, 59: 62-64.

Heintzelman, Donald S., Dan Kunkle, John Leskosky, and Barry Reed

• 1992 The 1990 and 1991 Autumn Hawk Counts at Bake Oven Knob, Lehigh County, Pennsylvania.  American Hawkwatcher, 18: 5-7.

Hoopes, Robert E.

• 2002 The 2002 Bake Oven Knob Migration Season.  American Hawkwatcher 28:5-10.
• 2003 The 2003 Bake Oven Knob Migration Season.  American Hawkwatcher 29:5-10.
• 2004 The 2004 Bake Oven Knob Migration Season.  American Hawkwatcher 30:4-8.
• 2006 The 2005 Bake Oven Knob Migration Season.  American Hawkwatcher 31:4-8.

Kunkle, Dan R.

• 1998 The 1998 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 24: 2-8.
• 1999 The 1999 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 25: 2-10.
• 2000 The 2000 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 26: 2-10.
• 2001 The 2001 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 27: 2-10.
• 2002a The Bake Oven Knob Autumn Hawk Count Manual. Wildlife Information Center, Slatington, PA.
• 2002b The 2002 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 28: 2-5.
• 2003 The 2003 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 29: 2-5.
• 2004 The 2004 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 30: 2-4.
• 2006 The 2005 Autumn Hawk Count at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 31: 2-4.

Additional Bake Oven Knob Literature

Graham, E.W.

• 1972 Swainson’s Hawk at Bake Oven Knob, Pennsylvania.  Cassinia, 53: 43.

Gurung, Shanti, Christine Lattin, Gallus Quigley, Raquel Robles, and Veronica Simpson.

• 2004 A Comparison of Counts of Migrating Cooper’s Hawks Seen at Hawk Mountain Sanctuary and Bake Oven Knob, Pennsylvania, 1961-2003.  American Hawkwatcher, 28:11-16.

Hawk, Steven, Nigar Agayaeva Chingiz kizi, John Musina, and Kyle McCarty

• 2002 Ridge Adherence in Bald Eagles Migrating along the Kittatinny Ridge between Bake Oven Knob and Hawk Mountain Sanctuary, Pennsylvania, 1998-2001.  American Hawkwatcher, 30:9-16.

Heintzelman, Donald S.

• 1969 Autumn Birds of Bake Oven Knob.  Cassinia, 51: 11-32.
• 1970 An Intensive Inter-specific Aerial Display Between A Sharp-shinned Hawk and A Sparrow Hawk.  Cassinia, 52: 39.
• 1972 Speculation on the Possible Origin of Some Sharp-shinned and Red-tailed Hawk Flights Along the Kittatinny Ridge–Autumn 1971.  Science News, No. 10. New Jersey State Museum, Trenton, NJ.
• 1982 Daily Rhythms of Migrating Golden Eagles and Bald Eagles in Autumn at Bake Oven Knob, Pennsylvania.  Cassinia, 59: 65-67.
• 1982 More Autumn Bird Records from Bake Oven Knob, Pennsylvania (1976-1981).  Cassinia, 59: 85.
• 1982 Variations in Numbers of Sharp-shinned Hawks Migrating Past Bake Oven Knob, Pennsylvania, in Autumn (1961 to 1981).  American Hawkwatcher, 1: 1-4.
• 1982 Variations in Numbers of Cooper’s Hawks Migrating Past Bake Oven Knob, Pennsylvania, in Autumn (1961 to 1981).  American Hawkwatcher, 2: 1-4.
• 1982 Variations in Utilization of the Kittatinny Ridge in Eastern Pennsylvania in Autumn by Migrating Golden Eagles and Bald Eagles (1968-1981).   American Hawkwatcher, 3: 1-4.
• 1982 Variations in Numbers of Northern Goshawks Migrating Past Bake Oven Knob, Pennsylvania in Autumn (1961-1981).  American Hawkwatcher, 4: 1-4.
• 1982 How About Hawk Watching.  Ranger Rick’s Nature Magazine, 16 (10): 6-10.
• 1983 Variations in Numbers of, and Influence of Intersecting Diversion-Lines Upon, Ospreys Migrating Along the Kittatinny Ridge in Eastern Pennsylvania in Autumn.  American Hawkwatcher, 6: 1-4.
• 1989 A Record Count of Merlins at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 15: 1-2.
• 1992 Long Term Monitoring of Migrant Bald Eagle and Golden Eagle Age Ratios and Their Use As Environmental Quality Indicators.  American Hawkwatcher, 18: 14-18.
• 1992 Pioneering Raptor Programs at the Bake Oven Knob Hawk Watch and the Wildlife Information Center, Inc.  American Hawkwatcher, 18: 8-13.
• 1993 Variations in Counts and Age Ratios of Migrating Sharp-shinned Hawks in Autumn at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 19: 4-6.
• 1993 Spring Hawk Migration Counts at Bake Oven Knob, Lehigh County, Pa. American Hawkwatcher, 19: 7-8.
• 1994 Autumn Sharp-shinned Hawk Migration Counts and Age Ratio Trends at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 20: 4-5.
• 1994 Declining Red-shouldered Hawk Migration Counts and Age Ratio Trends at Bake Oven Knob, Pa.  American Hawkwatcher, 20: 5-6.
• 1994 Comments on Turkey Vulture Counts During Autumn at, and in the Vicinity of, Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 20: 8.
• 1995 Peak Broad-winged Hawk September Migration Dates at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 21: 5-6.
• 1996 A 36-Year Examination of Migrant Bald Eagle and Golden Eagle Age Ratios at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 22: 5-6.
• 1996 Comments on Variations in the Numbers of Turkey Vultures Counted in the Bake Oven Knob Area of the Kittatinny-Shawangunk Raptor Corridor, Autumn 1996.  American Hawkwatcher, 22: 7.
• 1996 Unusual Red-tailed Hawks Observed at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 22: 5.
• 1996 Turkey Vulture Observed Without Tail at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 22: 7.
• 1997 Long Term Variations in September Broad-winged Hawk Migration Counts at Bake Oven Knob, Pa.  American Hawkwatcher, 23: 5-7.
• 1997 Peregrine Falcon Stoops At Turkey Vulture During Autumn Migration.  American Hawkwatcher, 23: 10.
• 1997 An Exceptionally Early August Northern Harrier Migrant at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 23: 10.
• 1997 A Dramatic Sharp-shinned Hawk and Red-tailed Hawk Interaction During Autumn Migration.  American Hawkwatcher, 23: 10.
• 2000 A 39-Year Analysis of Major Autumn Broad-winged Hawk (Buteo platypterus) Flights at Bake Oven Knob, Pennsylvania USA.  International Hawkwatcher, 1: 16-19.
• 2000 Further Comments On Using The “Hawks Per Hour Rating Scale” To Standardize Hawk Migration Counts. International Hawkwatcher, 1: 14-15.
• 2000 Red-tailed Hawk Carrying Stick At Bake Oven Knob, Pennsylvania USA.   International Hawkwatcher, 1: 19.
• 2000 Comments on the Current Status and Preservation of Four Decades of Original Bake Oven Knob Autumn Hawk Watch Notebooks and Field Data Sheets.  International Hawkwatcher, 2: 40-43.
• 2001 The Conservation Importance of Securing Standardized, Long-term Migration Count Data for Black Vultures and Turkey Vultures in North America.  International Hawkwatcher 3:6-9
• 2001 Maurice Broun: The Father of Hawk Watching.  Northwestern Press, July 30, 2001.
• 2001 Hawk Fest Has Them Flocking to Bake Oven Knob Celebration.  Northwestern Press, October 29, 2001.
• 2002 Comments on the Landmark Numbering Systems Used at Bake Oven Knob and Hawk Mountain, Pennsylvania USA.  International Hawkwatcher, 5: 31-32.

Heintzelman, Donald S. and Frederic H. Brock

• 2000 A Three-Site Comparison of A Large 1977 Sharp-shinned Hawk Flight in Eastern Pennsylvania. International Hawkwatcher, 1: 8-11.

Heintzelman, Donald S. and Dan R. Kunkle

• 1989 A Mid-November Swainson’s Hawk Record at Bake Oven Knob, Lehigh County,Pa.  American Hawkwatcher, 16:1.

Heintzelman, Donald S. and Robert MacClay

• 1971 An Extraordinary Autumn Migration of White-breasted Nuthatches.  Wilson Bulletin, 83: 129-131.
• 1972 An Exceptional Ruby-throated Hummingbird Migration.  Cassinia, 53: 45.
• 1976 The 1975 Autumn Hawk Count at Bake Oven Knob, Pennsylvania.  Cassinia, 56: 15-21.
• 1976 Autumn Bird Records from Bake Oven Knob, Pennsyvlania (1969-1975).  Cassinia, 56: 23-24.
• 1976 Another Exceptional Autumn Migration of White-breasted Nuthatches.  Cassinia, 56: 31.
• 1979 Flock Sizes of Migrating Canada Geese in Eastern Pennsylvania in Autumn.  Cassinia, 57: 25.

Jacobson, Michael and Wendy Potter

• 1999 A Comparison of Red-shouldered Hawk Autumn Migration Counts at Hawk Mountain Sanctuary and Bake Oven Knob, Pennsylvania, 1982-1998.  American Hawkwatcher, 25:11-16.

Kunkle, Dan R.

• 1989 Broad-winged Hawks Flying in Rain at Bake Oven Knob, Lehigh County, Pa.  American Hawkwatcher, 14:1.
• 1998 Long Term Trends in Rough-legged Hawk Migrations at Bake Oven Knob, PA.  American Hawkwatcher, 24:11-12

Swartzentruber, Beth and Heather Beck

• 2001 A Comparison of Counts of Red-tailed Hawks Seen at Hawk Mountain Sanctuary and Bake Oven Knob, Pennsylvania, 1961-2000.  American Hawkwatcher, 27:11-16.

Teter, Shara, Anton Khalilieh, Elsie Ashworth, Stephen Wamiti, and Leanne Bonner

• 2003 Ridge Adherance in Golden Eagles Migrating along the Kittatinny Ridge between Bake Oven Knob and Hawk Mountain Sanctuary, Pennsylvania, Autumn 2000-2002.  American Hawkwatcher, 29:9-14.

Wanamaker, Ed, and Dan Kunkle

• 2002 Comparison of Hawk Migration Observations between Lookouts and Parking Lot at Bake Oven Knob, PA.  American Hawkwatcher, 28:17-19.

Wright, Kyle

• 2006 Variability in Hawk Counts: Bake Oven Knob and Hawk Mountain Sanctuary Compared.  American Hawkwatcher, 31:9-13.
• 2006 Active Molt Observed in Migrating Raptors in Autumn 2005 at Bake Oven Knob.  American Hawkwatcher, 31:13-14