Jeremy Francis Dahl Ph.D.
Current Occupations: Forest Conservationist, Educator, Martial Artist.
Aim: To continue expanding my role as an educator and activist in forest conservation.
1950, 21 June. Born, Hertfordshire, England, United Kingdom.
1972. B. Sc. Honors, Zoology & Comparative Anatomy, University College London, London University.
1975. M.A., Anthropology, Washington University (St. Louis).
1980. Ph D. Physical Anthropology, Washington University (St. Louis).
1980 – 2001. Research Scientist, Yerkes National Primate Research Center, Emory University.
1996 - Student, Sung Ming Shu dojo, Cuong Nhu Oriental Martial Arts Association.
2004. Black Belt.
2005. Shodan (First Degree)
2000 - Present. President & Founder/Director of the Deep Forest Field School, Inc. providing
experiential learning in the sciences to schools, a specialized forest service that removes
invasive vines and shrubs from trees and woodlands, (“Machete Man”), and consultations in
issues relating to forest and primate conservation.
1. Environmental biophysics.
1980. Daily activity patterns, environmental factors, and morphological diversity of the genus
Lemur. Ph.D. Dissertation, Washington University, St. Louis.
1985. Dahl, J.F. & Smith, E.O. Assessing variation in the social behavior of Stumptail
Macaques using thermal criteria. American Journal of Physical Anthropology 68:467-
1986. Dahl, J.F. & Bernstein, I.S. Thermoregulation and social structure of a captive group of
Rhesus Macaques. Pp. 243-251. In: Current Perspectives in Primate Social Dynamics,
D.M. Taub & F.A. King (Eds.), Van Nostrand Reinhold: New York.
2. Reproductive Biology.
1985. Dahl, J.F. The external genitalia of female Pygmy Chimpanzees. Anatomical Record,
1986. Dahl, J.F. Cyclic perineal swelling during the intermenstrual intervals of captive female
Pygmy Chimpanzees (Pan paniscus). Journal of Human Evolution, 15:369-385.
1987. Dahl, J.F. Sexual initiation in a captive group of pygmy chimpanzees (Pan paniscus).
Primate Report, 16: 43-53.
1991. Dahl, J.F., Nadler, R.D., & Collins, D.C. Monitoring the ovarian cycles of Pan
troglodytes and P. paniscus: A comparative approach. American Journal of Primatology,
1992. Dahl J.F. & Nadler, R.D. The external genitalia of female gibbons, Hylobates (H.) lar.
Anatomical Record, 232:572-578.
1992. Dahl, J.F., & Nadler, R.D. Genital swelling in females of the monogamous gibbon,
Hylobates (H.) lar. American Journal of Physical Anthropology, 89:101-108.
1993. Dahl, J.F., Gould, K.G. & Nadler, R.D. Testicle size of Orang-utans in relation to body
size. American Journal of Physical Anthropology 90:229-236.
1994. Dahl, J.F. Size and form of the penis in Orang-utans. Journal of Mammalogy, 75(1):1-9.
1999. Dahl, J.F. Perineal swelling during pregnancy in common chimpanzees and puerperal
pathology. Journal of Medical Primatology, 28:129-141.
1980. Dahl, J.F. Daily activity patterns, environmental factors, and morphological diversity of
the genus Lemur. Ph.D. Dissertation, Washington University, St. Louis.
1981. Cheke, A.S. & Dahl, J.F. The status of bats of western Indian Ocean Islands, with
special reference to Pteropus. Mammalia, 45:205-238.
1981. Dahl, J.F. Biogeography and phylogeny of Lemur in the north of their geographic range.
American Journal of Physical Anthropology, 54:213.
1989. Dahl, J.F. & Hemingway, C.A. Foraging by Howler Monkeys at night, thermal conditions,
and the prehensile tail. American Journal of Primatology, 18:141.
1989. Dahl, J.F. An inexpensive, climate-controlled enclosure for gibbons utilizing
appropriate technology, pp. 323-335. In: E.F. Segal (Ed.), Housing, Care and
Psychological Wellbeing of Captive and Laboratory Primates. Noyes, Park Ridge, N.J.
1984. Primate survey in proposed Reserve area in Belize. Primate Conservation 4:28-29.
1987. Conservation of Primates in Belize, Central America. Primate Conservation, 8:119-121.