PUBLICATIONS


Schwartz, J. J., Huth, K., Jones, S. H., Brown, R., Marks, J. and Yang, X. 2010. Tests for call restorationduring signal overlap in the Gray Treefrog, Hyla versicolor. Bioacoustics 20: 59-86. (pdf)

Kuczynski, M. V., Vélez, A.,  Schwartz, J. J. and M. A. Bee. 2010. Sound transmission and the recognition oftemporally degraded sexual advertisement signals in Cope's gray treefrog (Hyla chrysoscelis).
    J. Exp Biol., 213, 2840-2850. (pdf)

Schwartz, J. J., Huth K., Hunce, R. and Lentine, B. 2010. Effect of anomalous pulse timing on call discrimination by females of the gray treefrog:  behavioral correlates of neurobiology.
    J. Exp. Biol. 213:2066-2072. (pdf)

Seeba, F, Schwartz, J. J. and M. A. Bee. 2010. Testing an auditory illusion in frogs: Perceptual restoration or sensory bias? Anim. Behav. 79: 1317-1328. (pdf)

Bee, M. A. and J. J. Schwartz. 2009.  Perception by frogs in the presence of chorus-shaped noise: I. Behavioral measures of signal recognition thresholds. J. Acoust. Soc. Amer.126:2788-2801. (pdf)

Schwartz, J. J., Brown, R., Turner, S., Dushaj, K. and M. Castano.  2008. Interference risk and the function of dynamic shifts in calling in the gray treefrog. J. Comp. Psych.122: 283-288. (pdf)

Schwartz, J. J. and T. M. Freeberg. 2008. Acoustic Interaction in Animal Groups: Signaling in Noisy and Social Contexts. J. Comp. Psych. 122: 231-234. (pdf)

Gerhardt, H. C., Martínez, C. C, Schwartz, J. J., Marshall, V. T. and C. G. Murphy. 2007. Preferences based on spectral differences in acoustic signals in four species of treefrog (Anura: Hylidae).
     J. Exp. Biol. 210: 2990-2998. (pdf)

Wells, K. D. and J. J. Schwartz. 2007. The behavioral ecology of anuran communication. Pp. 44-86, In: Narins, P.M., Feng, A.S., Fay, R.R., and Popper, A.N. (eds) Hearing and Sound Communication
    in Amphibians. Springer Handbook of Auditory Research (Vol. 28). New York: Springer-Verlag. (pdf)

Schwartz, J. J. and V. T. Marshall. 2006. Forms of Call Overlap and Their Impact on Advertisement Call Attractiveness to Females of the Gray Treefrog, Hyla versicolor. Bioacoustics 16:39-56. (pdf)

Schwartz, J. J and K. M. Rahmeyer. 2006. Calling behavior and the capacity for sustained locomotory exercise in the gray treefrog (Hyla versicolor). J. Herp. 40:164-171. (pdf)

Marshall, V. T., J. J. Schwartz and H. C. Gerhardt. 2006. Effects of heterospecific call overlap on the phonotactic behaviour of grey treefrogs. Anim. Behav. 72: 449-459. (pdf)

Schwartz, J. J., Huth, K. and T. Hutchin. 2004. How long do females really listen? Assessment time for female mate choice in the gray treefrog, Hyla versicolor. Anim. Behav., Anim. Behav. 68:533-540. (pdf)

Schwartz, J. J., Buchanan, B. and H. C. Gerhardt. 2002. Acoustic interactions among male gray treefrogs (Hyla versicolor) in 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. (pdf)

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. (pdf) 

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. (pdf)

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. (pdf)

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. (pdf)

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. (pdf)   

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. (pdf)

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. (pdf)

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. (pdf)

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.  (pdf)

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. (pdf)

Schwartz, J. J.  1991.  Why stop calling?  A study of unison bout singing in a neotropical treefrog.Anim. Behav. 42: 565-577. (pdf)

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. (pdf)

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. (pdf)

Schwartz, J. J. and H. C. Gerhardt.  1989.  Spatially-mediated release from masking in an anuran amphibian.  J. Comp. Physiol. A 166: 37-41. (pdf)

Schwartz, J. J.  1989.  Graded aggressive calls of the spring peeper, Pseudacris crucifer. Herpetologica 45: 172-181. (pdf)

Schwartz, J. J.  1987.  The function of call alternation in anuran amphibians: a test of three hypotheses. Evolution 41: 461-471. (pdf)

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. (pdf)

Schwartz, J. J.  1986.  Male calling behavior and female choice in the neotropical treefrog Hyla microcephala.  Ethology 73: 116-127. (pdf)

Schwartz, J. J. and K. D. Wells.  1985. Intra- and interspecific vocal behavior of the neotropical treefrog Hyla microcephala. Copeia 1985: 27-38. (pdf)

Schwartz, J. J. and K. D. Wells.  1984.  Interspecific acoustic interactions of the neotropical treefrog Hyla ebraccata. Behav. Ecol. Sociobiol. 14: 211-224. (pdf)

Schwartz, J. J. and K. D. Wells.  1984.  Vocal behavior of the neotropical treefrog Hyla phlebodes. Herpetologica 40: 452-463. (pdf)

Wells, K. D. and J. J. Schwartz.  1984. Vocal communication in a neotropical treefrog, Hyla ebraccata:  Advertisement calls. Anim. Behav. 32: 405-420. (pdf)

Wells, K. D. and J. J. Schwartz.  1984.  Vocal communication in a neotropical treefrog, Hyla ebraccata:  Aggressive calls. Behaviour 91: 128-145. (pdf)

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. (pdf)

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. (pdf)

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. (pdf)