PUBLICATIONS:

Schwartz, J. J., Buchanan, B. and H. C. Gerhardt. 2002. Acoustic interactions among male

gray treefrogs (Hyla versicolor) in a chorus setting. Behav. Ecol. Sociobiol. 53:9-19. (pdf)

Schwartz, J. J., Buchanan, B. and H. C. Gerhardt. 2001. Female mate choice in the gray treefrog

(Hyla versicolor) in three experimental environments. Behav. Ecol. Sociobiol. 49:443-455. (pdf)

Schwartz, J. J. 2001. Call monitoring and interactive playback systems in the study of acoustic

interactions among male anurans. Pp. 183- 204. In: Anuran Communication (M. J. Ryan, ed.).

Smithsonian Institution Press.

Gerhardt, H. C. and J. J. Schwartz. 2001. Auditory tuning, frequency preferences and mate choice

in anurans. Pp. 73-85. In: Anuran Communication (M. J. Ryan, ed.). Smithsonian Institution Press.

Gerhardt, H. C., Roberts, J. D., Bee, M. A. and J. J. Schwartz. 2000. Call matching in the quacking

frog (Crinia georgiana). Behav. Ecol. Sociobiol. 48: 243-251.

Schwartz, J. J., Bee, M. and S. D. Tanner. 2000. A behavioral and neurobiological study of the

response of gray treefrogs, Hyla versicolor, to the calls of a potential predator, Rana

catesbeiana, Herpetologica 56: 27-37.

Schwartz, J. J. and H. C. Gerhardt. 1998. The neuroethology of frequency preferences in the spring

peeper. Anim. Behav. 56: 55-69. (pdf)

Schwartz, J. J. 1998. Review of: Frog and Toad Calls of the Pacific Coast: Vanishing Voices.

Bioacoustics 9: 169-170.

Michael, A. and J. Schwartz. 1998. Studying gray treefrog calls. Animalwatch 2 (7):45-47.

Schwartz, J. J., Ressel, S. and C. R. Bevier. 1995. Carbohydate and calling: Depletion of muscle

glycogen and the chorusing dynamics of the neotropical treefrog Hyla microcephala. Behav. Ecol.

Sociobiol. 37:125-135.

Gerhardt, H. C. and J. J. Schwartz. 1995. Interspecific interactions and species recognition. Pp. 603-632 In:

Amphibian Biology. Vol. 2. Social Behavior (H. Heatwole and B. K. Sullivan, eds.). Surrey Beatty & Sons.

Schwartz, J. J. and H. C. Gerhardt. 1995. Directionality of the auditory system and call pattern

recognition during acoustic interference in the gray treefrog, Hyla versicolor. Auditory

Neuroscience 1:195-206.

Schwartz, J. J. 1994. Male advertisement and female choice in frogs: new findings and recent approaches to the study

of communication in a dynamic acoustic environment. Amer. Zool. 34:616-624.

Schwartz, J. J. 1993. Male calling behavior, female discrimination and acoustic interference in the

Neotropical treefrog Hyla microcephala under realistic acoustic conditions. Behav. Ecol.

Sociobiol. 32: 401-414.

Simmons, A. M., Schwartz, J. J. and M. Ferragamo. 1992. Auditory-nerve representation of a

complex communication sound in background noise. J. Acoust. Soc. Am. 91: 2831-2844.

Schwartz, J. J. and A. S. Rand. 1991. The consequences for communication of call overlap in the

tungara frog, a neotropical anuran with a frequency-modulated call. Ethology 89: 73-83.

Schwartz, J. J. 1991. Why stop calling? A study of unison bout singing in a neotropical treefrog.

Anim. Behav. 42: 565-577.

Gerhardt, H. C., Allan, S. and Schwartz, J. J. 1990. Female green treefrogs (Hyla cinerea) do not

selectively respond to signals with a harmonic structure in noise. J. Comp. Physiol. A 166:

791-794.

Schwartz, J. J. and A. M. Simmons. 1990. Encoding of a spectrally complex natural call in the

bullfrog's auditory nerve. J. Comp. Physiol. A 166: 489-499.

Schwartz, J. J. and H. C. Gerhardt. 1989. Spatially-mediated release from masking in an anuran

amphibian. J. Comp. Physiol. A 166: 37-41.

Schwartz, J. J. 1989. Graded aggressive calls of the spring peeper, Pseudacris crucifer.

Herpetologica 45: 172-181.

Schwartz, J. J. 1987. The function of call alternation in anuran amphibians: a test of three

hypotheses. Evolution 41: 461-471.

Schwartz, J. J. 1987. The importance of spectral and temporal properties in species and call

recognition in a neotropical treefrog with a complex vocal repertoire. Anim. Behav. 35:

340-347.

Schwartz, J. J. 1986. Male calling behavior and female choice in the neotropical treefrog Hyla

microcephala. Ethology 73: 116-127.

Schwartz, J. J. and K. D. Wells. 1985. Intra- and interspecific vocal behavior of the neotropical

treefrog Hyla microcephala. Copeia 1985: 27-38.

Schwartz, J. J. and K. D. Wells. 1984. Interspecific acoustic interactions of the neotropical

treefrog Hyla ebraccata. Behav. Ecol. Sociobiol. 14: 211-224.

Schwartz, J. J. and K. D. Wells. 1984. Vocal behavior of the neotropical treefrog Hyla phlebodes.

Herpetologica 40: 452-463.

Wells, K. D. and J. J. Schwartz. 1984. Vocal communication in a neotropical treefrog, Hyla

ebraccata: Advertisement calls. Anim. Behav. 32: 405-420.

Wells, K. D. and J. J. Schwartz. 1984. Vocal communication in a neotropical treefrog, Hyla

ebraccata: Aggressive calls. Behaviour 91: 128-145.

Schwartz, J. J. and K. D. Wells. 1983. The influence of background noise on the behavior of a

neotropical treefrog, Hyla ebraccata. Herpetologica 39: 121-129.

Schwartz, J. J. and K. D. Wells. 1983. An experimental study of acoustic interference between

two species of neotropical treefrogs. Anim. Behav. 31: 181-190.

Schwartz, J. J. 1983. Temporal patterns in calling of the neotropical treefrog, Hyla microcephala.

Am. Zool. 23: 896.

Wells, K. D. and J. J. Schwartz. 1982. The effect of vegetation on the propagation of calls in the

neotropical frog Centrolenella fleischmanni. Herpetologica 38: 449-455.

MANUSCRIPTS IN REVIEW or IN PRESS:

Schwartz, J. J., Huth, K. and T. Hutchin. How long do females really listen? Assessment time

for female mate choice in the gray treefrog, Hyla versicolor. Animal Behaviour, in press.