Paint marking a lizard for individual identification in the field

Structure, function, and evolution of Anolis lizard communication behavior

Behavioral ecology of Anolis lizards

Complexities of Anolis signaling, such as the headbob displays of Anolis carolinensis (click on lizard)

Jenssen, T. A., K. R. DeCourcy, and J. C. Congdon.  2005.  Assessment in contests of male lizards 
(Anolis carolinensis): how should smaller males respond when size matters?  
Anim. Behav.  69:1325-1336. 

Orrell, K. S., J. D. Congdon, T. A. Jenssen, R. H. Michener, and T. H. Kuntz. 2004. Comparison of energy
expenditure by male and female Anolis carolinensis during breeding and postbreeding seasons. Physiol. 
and Biochem. Zool. 77:50-64.

Orrell, K. S., and T. A. Jenssen. 2003.  Heterosexual Signalling by the lizard Anolis Carolinensis,
with intersexual comparisons across contexts.  Behaviour. 140:603-634.

Lovern, M. B., and T. A. Jenssen. 2003.  Form emergence and fixation in social signals: 
ontogeny of headbobbing displays in the green anole lizards (Anolis carolinensis).
J. Comp. Psychol. 17:133-141.

Orrell, K. S., and T. A. Jenssen. 2002.  Male mate choice by the lizard, Anolis carolinensis:
A preference for novel females.  Anim. Behav.  63:1091-1102.

Jenssen, T. A. 2002. Spatial awareness by the lizard Anolis cristatellus: Why should a 
non-ranging species demonstrate homing behavior?  Herpetologica  58:364-371.

Lovern, M. B., and T. A. Jenssen.  2001.  The effects of context, sex, and body size on
staged social interactions in juvenile male and female green anoles (Anolis carolinensis). 
Behaviour  138:1117-1135.

Lovern, M. B., F. M. A. McNabb, and T. A. Jenssen.  2001.  Developmental effects of
testiosterone on behavior in male and female green anoles (Anolis carolinensis).  Horm.
Behav.  39:131-143.

Jenssen, T. A., M. B. Lovern, and J. C. Congdon.  2001.  Field-testing the protandry-based
mating system for the lizard, Anolis carolinensis: Does the model organism have the right
model?  Behav. Ecol. Sociobiol.  50:162-172.

Jenssen, T. A., K. S. Orrell, and M. B. Lovern. 2000. Sexual dimorphisms in
aggressive signal structure and use by a polygynous lizard, Anolis carolinensis.  Copeia
2000:140-149.

Lovern, M. B., T. A. Jenssen, K. S. Orrell, and T. Tuchak.  1999.  Comparisons of the 
temporal display structure across contexts and populations in male Anolis carolinensis:
Signal stability of lability?  Herpetologica 55:222-234.

Jenssen, T. A., M. B. Lovern, K. S. Orrell, and K. M. Passek. 1999. Anolis carolinensis 
unplugged: Investigations into the behavioral ecology of the green anole.  Fifth Anolis
Newsletter Mus. Comp. Zool. Cambridge, MA. 

Orrell, K., and T. A. Jenssen.  1998.  Display behavior of Anolis bahoruconensis: an
anole with a diminutive dewlap.  Caribbean J. Sci. 34:113-125.
 
Jenssen, T. A., and S. C. Nunez.  1998.  Spatial and breeding relationships of the
lizard, Anolis carolinensis: Evidence of intrasexual selection. Behaviour 135:981-1003.

Jenssen, T. A., K. A. Hovde, and K. Taney. 1998.  Size-related habitat use by
non-breeding Anolis carolinensis lizards.  Copeia 1998:774-779.

Nunez, S. C., T. A. Jenssen, and K. Ersland. 1997. Female activity profile of a
polygynous lizard (Anolis carolinensis): Evidence of intersexual asymmetry. Behaviour
134:205-223.

Jenssen, T. A. 1996. A test of assortative mating between sibling lizard species,
Anolis websteri and A. caudalis, in Haiti, p. 303-315. In: R. Powell and R. Henderson
(Eds.), Herpetology of the West Indies: A Symposium in Honor of Albert Swartz. SSAR
Contrib. Herpetol. Series, Ithaca, N.Y. Pg. 457.

Jenssen, T. A., J. D. Congdon, R. U. Fischer, R. Estes, D. Kling, S. Edmonds, and
H. Berna. 1996. Behavioural, thermal, and metabolic characteristics of a wintering
lizard (Anolis carolinensis) from South Carolina. Functional Ecol. 10:201-209.

Jenssen, T. A., N. Greenberg, and K. A. Hovde. 1995. Behavioral profile of
free-ranging male Anolis carolinensis lizards across breeding and post-breeding seasons.
Herpetol. Monogr. 9:41-62.
 
Jenssen, T. A., J. D. Congdon, R. U. Fischer, R. Estes, D. Kling, S. Edmands, and R.
A. Anderson. 1995. Morphological characteristics of the lizard, Anolis carolinensis,
from South Carolina. Herpetologica 51:401-411.

DeCourcy, K. R., and T. A. Jenssen. 1994. Structure and use of male territorial
headbob signals by the lizard, Anolis carolinensis. Anim. Behav. 47(2):251-262.
 
Jenssen, T. A., and S. Nunez. 1994. Male and female reproductive cycles of the
Jamaican lizard, Anolis opalinus. Copeia 1994(4):767-780.

Jenssen, T. A., and K. A. Hovde. 1993. Anolis carolinensis (Green Anole). Social
Pathology. Herpetol. Rev. 24(2):58-59.

Jenssen, T. A., and P. C. Feely. 1991. Behavioral analysis of chamaelinorops
barbouri (Sauria, Iguanidae): A comparison with Anolis. J. Herpetol. 25(4):454-462.

Marcellini, D. L., and T. A. Jenssen. 1991. Avoidance learning by the curly-tailed
lizard, Leiocephalus schreibersi: Implications for anti-predator behavior. J. Herpetol.
25:238-241.

PUBLICATIONS (selected earlier papers) 

Jenssen, T. A., D. L. Marcellini, C. A. Pague, and L. A. Jenssen. 1984. Competitive 
interference between the Puerto Rican lizards, Anolis cooki and Anolis cristatellus.
Copeia 1984:853-862.

Ortiz, P. R, and T. A. Jenssen.  1982.  Interspecific aggression between lizard competitors,
Anolis cooki and Anolis cristatellus.  Zeit. Tierpsychol. 60:227-238.

Jenssen, T. A.  1979a.  Display behaviour of male Anolis opalinus (Sauria, Iguanidae):
A case of weak display stereotypy.  Anim. Behav. 27:173-184.

Jenssen, T. A.  1977.  Evolution of lizard display behavior.  Amer. Zoologist 17:203-215.

Hover, E., and T. A. Jenssen.  1976.  Descriptive analysis and social correlates of agonistic 
displays of Anolis limifrons (Sauria: Iguanidae).  Behaviour 58:173-191.

Jenssen, T. A., and E. Hover.  1976.  Display analysis of the signature display of Anolis limifrons 
(Sauria: Iguanidae).  Behaviour 57:227-240.

Jenssen, T. A.  1975.  Display repertoire of a male Phenacosaurus heterodermus (Sauria:
Iguanidae).  Herpetologica 31:48-55.

Jenssen, T. A.  1973.  Shift in structural habitat of Anolis opalinus due to congeneric 
competition.  Ecology 54:863-869.

Jenssen, T. A.  1970.  The ethoecology of Anolis nebulosus (Sauria, Iguanidae).  
J. Herpetology 4:1-38.

FIELD RESEARCH

1963 - 1964 Illinois (Pine Hills, La Rue Swamp) - Weekly trips collecting ecological
  data on green frogs, Rana clamitans

1966 - summer Mexico - country-wide road trip collecting lizard distribution data and
  specimens

1967 - summer Mexico - 3-week survey trip for long-term study site and general
  ecological data on lizards

1968 - summer Mexico (Nayarit) - long-term field study on Anolis nebulosus; country-wide
  side trips for census and ecological data on lizards

1969 - 1970 Jamaica - 1-year residency studying behavioral ecology of Jamaican Anolis 
  lizards (garmani, grahami, lineatopus, sagrei, valencienni, and opalinus)

 3-week collecting trip to Haiti, Dominican Republic, Puerto Rico)

1971 - summer Jamaica - country-wide collection of Anolis species

1972 - summer Panama - collected display data on Anolis limifrons at the Smithsonian
  Tropical Research Institute (STRI) facilities

1973 - summer Panama - continuation of Anolis limifrons study (STRI)

 2-week trip to Cocos Island to collect display data on Anolis townsendi

1975 - summer Haiti - collected display and ecological data of the Anolis brevirostoris
  complex 
  
  Jamaica - collected display data on Anolis opalinus

1977 - summer Haiti - collected data for behavioral isolating mechanism study of sibling
  species,Anolis caudalis and Anolis websteri

  La Gonave - side trip to collect display data on insular Anolis brevirostris
  populations

1980 - summer Puerto Rico (Cabo Rojo) - interspecific competition study of Anolis cooki
  and Anolis cristatellus

  Mona Island - side trip collecting ecological and display data on Anolis monensis

1983 Puerto Rico - continuation of the cooki-cristatellus interaction

  Haiti - habitat partitioning study of Anolis cybotes and Anolis caudalis, and
  ecological study of Leiocephalus schreibersi

1984 - summer Haiti - behavioral ecology studies of Anolis caudalis and Leiocephalus 
  schreibersi

1985 - summer Haiti - thermal ecology study of Leiocephalus schreibersi

1987 - summer Dominican Republic - country-wide survey of Leiocephalus schreibersi 
  Populations

1988 - summer Dominican Republic (Monte Cristi) - infanticide study of Leiocephalus
  schreibersi

1989 - summer Dominican Republic (Monte Cristi) - avoidance learning study of
  Leiocephalus schreibersi

1992 - year Georgia/South Carolina - long-term behavioral ecology study of Anolis 
  carolinensis in association with the Savannah Ecological Laboratory (SREL)

1993 - summer Georgia/South Carolina - continuation of Anolis carolinensis study (SREL)

1995 - spring Georgia/South Carolina - continuation of Anolis carolinensis study (SREL)

1995 - summer Hawaii (Hilo) - behavioral ecology study of an isolated population of
  Anolis carolinensis

 1-week side trip to Hawaii (Honolulu) for more population data of Anolis carolinensis

1998 - summer Georgia/South Carolina - continuation of Anolis carolinensis study (SREL)
     - December Culebra,Virgin Islands - intersexual homing study of Anolis cristatellus
  
1999 - 2001 summer Georgia/South Carolina - continuation of Anolis carolinensis study

2002 and 2005 - summer in Hawaiian Archipeligoes - comparative data of colonized 
  Anolis carolinensis with mainland populations