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)

PUBLICATIONS

Jenssen, T. A., S. Garrett, and W. J. Sydor. 2012. Complex signal usage by advertising male green anoles (Anolis carolinensis): a text of assumptions. Herpetologica 68(3): 345–35.

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: effects of an intrasexually selected mating system. Behaviour 140:603-634.

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

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

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.

Lovern, M. B., F. M. A. McNabb, and T. A. Jenssen. 2001. Developmental effects of testosterone 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.

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.

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 temporal display structure across contexts and populations in male Anolis carolinensis: Signal stability or lability? Herpetologica. 55:222-234.

Orrell, K. S., and T. A. Jenssen. 1998. Display behavior of the lizard, Anolis barorucoensis: 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. G. 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., J. D. Congdon, R. U. Fischer, R. Estes, D. Kling, S. Edmands, 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. 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 Schwartz. SSAR Contrib. Herpetol. Series, Ithaca, N.Y. Pg. 457.

Jenssen, T. A. (Ed.) 1995. Reptilian Behavioral Ecology. A Symposium in Honor of Charles C. Carpenter. Herpetol. Monogr. Vol 9.

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, and S. Edmands. 1995. Morphological characteristics of the lizard, Anolis carolinensis, from South Carolina. Herpetologica 51:401-411.

Jenssen, T. A., and S. Nunez. 1994. Male and female reproductive cycles of the Jamaican lizard, Anolis opalinus. Copeia 1994(4):767‑780.

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.

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.

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.

Jenssen, T. A. 1990. Anolis cooki Grant, Cook's anole. Cat. Amer. Amphibians and Reptiles 488:1‑2

Jenssen, T. A., D. L. Marcellini, K. A. Buhlmann, and P. H. Goforth. 1989. Differential infanticide by adult curly‑tailed lizards, Leiocephalus schreibersi. Anim. Behav. 8:1054‑1061.

Marcellini, D. L., and T. A. Jenssen. 1989. Thermal ecology of the tropical iguanid lizard, Leiocephalus schreibersi. Am. Midland Nat. 122:44‑50.

Jenssen, T. A., D. L. Marcellini, and E. Smith. 1988. Seasonality in the microdistribution of sympatric Anolis lizards in Haiti. J. Herpetol. 22:266‑274.

Marcellini, D. L., and T. A. Jenssen. 1988. Visitor behavior in the National Zoo's reptile house. Zoo Biology. 7:329‑338.

Roggenbuck, M. E., and T. A. Jenssen. 1986. The ontogeny of display behaviour in Sceloporus undulatus hyacinthinus (Sauria: Iguanidae). Ethology 71:153‑165.

Jenssen, T. A., and D. L. Marcellini. 1986. Leiocephalus schreibersi (curly‑tailed lizard) tail autotomy. Herpetol. Rev. 17:89.

Marcellini, D. L., T. A. Jenssen, and C. Pague. 1985. The distribution of Anolis cooki, with comments on its possible extinction. Herpetol. Rev. 16:99‑102.

Jenssen, T. A., and R. M. Andrews. 1984. Seasonal growth rates in the Jamaican lizard Anolis opalinus. J. Herpetol. 18:338‑341.

Jenssen, T. A., and N. L. Gladson. 1984. A comparative display analysis of the Anolis brevirostris complex in Haiti. J. Herpetol. 18:217‑230.

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.

Floyd, H. B., and T. A. Jenssen. 1984. Prey diversity comparisons between stomach and hindgut of the lizard, Anolis opalinus. J. Herpetol. 18:204‑205.

Marcellini, D. L., and T. A. Jenssen. 1983. A character for differentiating the sympatric lizards, Anolis cooki and Anolis cristatellus. Herpetol. Rev. 14:113‑114.

Ramer, J. D., T. A. Jenssen, and C. J. Hurst. 1983. Size‑related variation in the advertisement call of Rana clamitans, and its effect on conspecific males. Copeia 1983:141‑155.

Jenssen, T. A. 1983. Display behavior of two Haitian lizards, Anolis cybotes and Anolis distichus, p. 552‑569. In: A. Rhodin, and K. Miyata (eds.). Advances in Herpetology and Evolutionary Biology. Harvard Univ. Press, Cambridge, MA. Pg. 725.

Floyd, H. B., and T. A. Jenssen. 1983. Food habits of the Jamaican lizard, Anolis opalinus: Resource partitioning and seasonal effects examined. Copeia 1983:319‑331.

Greenberg, N., and T. A. Jenssen. 1982. Social behavior of captive banded iguanas, Brachylophus fasciatus, p. 232‑251. In: G. M. Burghardt and A. S. Rand (eds.) Behavior and ecology of iguanine lizards. Noyes Publ. N.J. Pg. 472.

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. 1981. Unusual display behavior by Anolis grahami from western Jamaica. Copeia 1981:728‑733.

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

Jenssen, T. A. 1979. Display modifiers of Anolis opalinus (Sauria, Iguanidae). Herpetologica 35:21‑30.

Milton, T. H. and T. A. Jenssen. 1979. Description and function of vocalizations by Anolis grahami (Sauria: Iguanidae). Copeia 1979:481‑489.

Rothblum, L. M., J. W. Watkins, and T. A. Jenssen. 1979. A learning paradigm and the behavioral demonstration of audition for the lizard, Anolis grahami. Copeia 1979:490‑494.

Rothblum, L. and T. A. Jenssen. 1978. Display repertoire analysis of Sceloporus undulatus hyacinthinus (Sauria, Iguanidae) from southwestern Virginia. Anim. Behav. 26:130‑137.

Jenssen, T. A. 1978. Display diversity in anoline lizards and problems of interpretation, p. 269‑285. In: Greenberg and MacLean (eds.). Behavior and Neurology of Lizards: An Interdisciplinary Conference N.I.M.H., Rockville, Maryland. Pg. 352.

Jenssen, T. A. and L. Rothblum. 1977. Display repertoire analysis of Anolis townsendi (Sauria: Iguanidae) from Cocos Island. Copeia 1977:103‑109.

Jenssen, T. A. 1977. Morphological, behavioral, and electrophoretic evidence of hybridization between Anolis grahami and Anolis lineatopus neckeri on Jamaica. Copeia 1977:270‑276.

Jenssen, T. A. 1977. Evolution of anoline lizard display behavior. Am. Zoologist 17:203‑215.

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

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. 1975. Display repertoire of a male Phenacosaurus heterodermus (Sauria: Iguanidae). Herpetologica 31:48‑55.

Jenssen, T. A. and B. Swenson. 1974. An ecological correlate of critical flicker fusion frequencies for some Anolis lizards. Vision Res. 14:965‑970.

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

Jenssen, T. A. 1972. Seasonal organ weights of the green frog, Rana clamitans, under natural conditions. Illinois Acad. Sci. 65:15‑24.

Jenssen, T. A. 1971. Display analysis of Anolis nebulosus (Sauria, Iguanidae). Copeia 1971:197‑209.

Jenssen, T. A. 1970. Female response to filmed displays of Anolis nebulosus (Sauria, Iguanidae). Anim. Behav. 18:640‑647.

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

Jenssen, T. A., and W. Preston. 1968. Behavioral responses of the male green frog, Rana clamitans, to its recorded call. Herpetologica 24:181-182.

Jenssen, T. A. 1967. Food habits of the green frog, Rana clamitans, before and after metamorphosis. Copeia 1967:214-218.

Jenssen, T. A., and W. D. Klimstra. 1966. Food habits of the green frog, Rana clamitans, in southern Illinois. Amer. Midland Natur. 96:169-182.

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
carolinensisin 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