Historical perspective: Hormonal regulation of behaviors in amphibians

Andreoletti, 1983, Androgen control of male sexual behavior in the crested newt (Triturus cristatus carnifex laur.): castration and sex steroid administration, Horm. Behav., 17, 103, 10.1016/0018-506X(83)90020-X

Berk, 1939, Studies in the reproduction of Xenopus laevis: III. The secondary sex characteristics of the male Xenopus: the pads, S. Afr. J. Med. Sci., 4, 47

Bogert, 1960, The influence of sound on the behavior of amphibians and reptiles, 7, 137

Boyd, 1992, Sexual differences in hormonal control of release calls in bullfrogs, Horm. Behav., 26, 522, 10.1016/0018-506X(92)90019-R

Boyd, 1994, Arginine vasotocin facilitation of advertisement calling and call phonotaxis in bullfrogs, Horm. Behav., 28, 232, 10.1006/hbeh.1994.1020

Boyd, 1994, Development of vasotocin pathways in the bullfrog brain, Cell Tissue Res., 276, 593, 10.1007/BF00343958

Boyd, 1994, Gonadal steroid modulation of vasotocin concentrations in the bullfrog brain, Neuroendocrinology, 60, 150, 10.1159/000126745

Boyd, 1997, Brain vasotocin pathways and the control of sexual behaviors in the bullfrog, Brain Res. Bull., 44, 345, 10.1016/S0361-9230(97)00213-X

Boyd, 1990, Autoradiographic localization of putative arginine vasotocin receptors in the kidney of a urodele amphibian, Gen. Comp. Endocrinol., 78, 344, 10.1016/0016-6480(90)90024-G

Boyd, 1990, Evidence for GABA involvement in stress-induced inhibition of male amphibian sexual behaviors, Horm. Behav., 24, 128, 10.1016/0018-506X(90)90032-S

Boyd, 1992, Sexual dimorphism in the vasotocin system of the bullfrog (Rana catesbeiana), J. Comp. Neurol., 325, 313, 10.1002/cne.903250213

Boyd, 1999, Androgen receptors and sexual dimorphisms in the larynx of the bullfrog, Gen. Comp. Endocrinol., 113, 59, 10.1006/gcen.1998.7181

Brzoska, 1980, Acoustic signals influencing the hormone production of the testes in the grass frog, J. Comp. Physiol., A, 140, 25, 10.1007/BF00613744

Catz, 1995, Androgen regulation of a laryngeal-specific myosin heavy chain mRNA isoform whose expression is sexually differentiated, Dev. Biol., 171, 448, 10.1006/dbio.1995.1295

Cedrini, 1970, Olfactory attractants in sex recognition of the crested newt: an electrophysiological research, Monit. Zool. Ital. (N.S.), 5, 223

Chu, 1998, The effects of arginine vasotocin on the calling behavior of male cricket frogs in changing social contexts, Horm. Behav., 34, 248, 10.1006/hbeh.1998.1479

Coddington, 2003, Neuroendocrinology of context-dependent stress responses: vasotocin alters the effect of corticosterone on amphibian behaviors, Horm. Behav., 43, 222, 10.1016/S0018-506X(02)00015-6

Cohen, 1996, Androgen-induced proliferation in the developing larynx of Xenopus laevis is regulated by thyroid hormone, Dev. Biol., 178, 113, 10.1006/dbio.1996.0202

Conway, 1987, Immunocytochemical studies of vasotocin, mesotocin, and neurophysins in the Xenopus hypothalamo-neurohypophysial system, J. Comp. Neurol., 264, 494, 10.1002/cne.902640405

Davis, 1996, Neuroanatomical distribution of androgen and estrogen receptor-immunoreactive cells in the brain of the male roughskin newt, J. Comp. Neurol., 372, 294, 10.1002/(SICI)1096-9861(19960819)372:2<294::AID-CNE10>3.0.CO;2-K

Delgado, 1989, Seasonal cycles in testicular activity in the frog, Rana perezi, Gen. Comp. Endocrinol., 73, 1, 10.1016/0016-6480(89)90049-X

Deviche, 1987, Opioid kappa-receptor agonists suppress sexual behaviors in male rough-skinned newts, Horm. Behav., 21, 371, 10.1016/0018-506X(87)90021-3

Deviche, 1988, Steroidal control of sexual behavior in the rough-skinned newt (Taricha granulosa): effect of testosterone, estradiol, and dihydrotestosterone, Horm. Behav., 22, 26, 10.1016/0018-506X(88)90028-1

Deviche, 1990, Neuroendocrine, behavioral, and morphological changes associated with the termination of the reproductive period in a natural population of male rough-skinned newts (Taricha granulosa), Horm. Behav., 24, 284, 10.1016/0018-506X(90)90010-U

Diakow, 1978, A hormonal basis for breeding behavior in female frogs: vasotocin inhibits the release call of Rana pipiens, Science, 199, 1456, 10.1126/science.305115

Diakow, 1981, Vasotocin, prostaglandin, and female reproductive behavior in the frog, Rana pipiens, Horm. Behav., 15, 86, 10.1016/0018-506X(81)90037-4

Diakow, 1978, Female frog reproductive behavior elicited in the absence of the ovaries, Horm. Behav., 11, 183, 10.1016/0018-506X(78)90047-8

Dodd, 1960, Gonadal and gonadotropic hormones in lower vertebrates, vol. I, 417

Emerson, 1996, The role of androgens in opportunistic breeding, tropical frogs, Gen. Comp. Endocrinol., 103, 220, 10.1006/gcen.1996.0113

Evans, 2000, Partial purification and biochemical characterization of a membrane glucocorticoid receptor from an amphibian brain, J. Steroid Biochem. Mol. Biol., 72, 209, 10.1016/S0960-0760(00)00031-5

Evans, 2000, A subset of kappa opioid ligands bind to the membrane glucocorticoid receptor in an amphibian brain, Endocrinology, 141, 2294, 10.1210/en.141.7.2294

Fischer, 1991, Androgen receptor expression and sexual differentiation of effectors for courtship song in Xenopus laevis, Semin. Neurosci., 3, 469, 10.1016/1044-5765(91)90056-T

Giorgio, 1982, Prolactin and sexual behaviour in the crested newt (Triturus cristatus carnifex Laur), Gen. Comp. Endocrinol., 47, 139, 10.1016/0016-6480(82)90215-5

Gobbetti, 1999, Hormonal and cellular brain mechanisms regulating the amplexus of male and female water frog (Rana esculenta), J. Neuroendocrinol., 11, 589, 10.1046/j.1365-2826.1999.00369.x

Gobbetti, 1991, Plasma prostaglandin F2 alpha in the male Triturus carnifex (laur.) during the reproductive annual cycle and effects of exogenous prostaglandin on sex hormones, Prostaglandins, 41, 67, 10.1016/0090-6980(91)90106-P

Gonzalez, 1992, Comparative analysis of the vasotocinergic and mesotocinergic cells and fibers in the brain of two amphibians, the anuran Rana ridibunda and the urodele Pleurodeles waltlii, J. Comp. Neurol., 315, 53, 10.1002/cne.903150105

Gonzalez, 1995, Ontogeny of vasotocinergic and mesotocinergic systems in the brain of the South African clawed frog Xenopus laevis, J. Chem. Neuroanat., 9, 27, 10.1016/0891-0618(95)00063-D

Goodson, 2001, Social behavior functions and related anatomical characteristics of vasotocin/vasopressin systems in vertebrates, Brain Res. Brain Res. Rev., 35, 246, 10.1016/S0165-0173(01)00043-1

Harvey, 1997, Reproductive endocrinology of the explosively breeding desert spadefoot toad, Scaphiopus couchii, Gen. Comp. Endocrinol., 105, 102, 10.1006/gcen.1996.6805

Hasumi, 1993, Long-term maintenance of egg-fertilizability in water in the salamander Hynobius nigrescens, Jpn. J. Herpetol., 15, 71, 10.5358/hsj1972.15.2_71

1998

Houck, 1996, Courtship behavior and plasma levels of androgens and corticosterone in male marbled salamanders, Ambystoma opacum (Ambystomatidae), Gen. Comp. Endocrinol., 104, 243, 10.1006/gcen.1996.0167

Huang, 1997, Male reproductive cycle of the toad Bufo melanostictus in Taiwan, Zool. Sci. (Tokyo), 14, 497, 10.2108/zsj.14.497

Imai, 1985, Annual cycle of gonadotropin and testicular steroid hormones in the Japanese red-bellied newt, vol. 1, 247

Ishii, 1992, Amplexus induces surge of luteinizing hormone in male toads, Bufo japonicus, Gen. Comp. Endocrinol., 86, 34, 10.1016/0016-6480(92)90123-2

Itoh, 1990, Changes in plasma levels of gonadotropins and sex steroids in the toad, Bufo japonicus, in association with behavior during the breeding season, Gen. Comp. Endocrinol., 80, 451, 10.1016/0016-6480(90)90194-Q

Itoh, 1990, Annual cycle of pituitary and plasma gonadotropins and plasma sex steroids in a wild population of the toad, Bufo japonicus, Gen. Comp. Endocrinol., 78, 242, 10.1016/0016-6480(90)90011-A

Iwata, 2000, Hormonal control of urodele reproductive behavior, Comp. Biochem. Physiol., Part B: Biochem. Mol. Biol., 126, 221, 10.1016/S0305-0491(00)00200-5

Kang, 1995, Androgen biosynthesis and secretion in developing Xenopus laevis, Gen. Comp. Endocrinol., 100, 293, 10.1006/gcen.1995.1160

Kao, 1993, Annual patterns of testicular development and activity in the Chinese bullfrog (Rana rugulosa Wiegmann), Zool. Sci. (Tokyo), 10, 337

Kay, 1999, Trophic effects of androgen: development and hormonal regulation of neuron number in a sexually dimorphic vocal motor nucleus, J. Neurobiol., 40, 375, 10.1002/(SICI)1097-4695(19990905)40:3<375::AID-NEU9>3.0.CO;2-A

Kelley, 1980, Auditory and vocal nuclei in the frog brain concentrate sex hormones, Science, 207, 553, 10.1126/science.7352269

Kelley, 1982, Female sex behaviors in the South African clawed frog, Xenopus laevis: gonadotropin-releasing, gonadotropic, and steroid hormones, Horm. Behav., 16, 158, 10.1016/0018-506X(82)90016-2

Kelley, 1996, Sexual differentiation in Xenopus laevis, 143

Kelley, 1990, The vocal motor neurons of Xenopus laevis: development of sex differences in axon number, J. Neurobiol., 21, 869, 10.1002/neu.480210605

Kelley, 1976, Hormone effects on male sex behavior in adult South African Clawed Frogs, Xenopus laevis, Horm. Behav., 7, 159, 10.1016/0018-506X(76)90045-3

Kelley, 1999, The vocal repertoire of Xenopus laevis, 9

Kelley, 1989, Development and hormone regulation of androgen receptor levels in the sexually dimorphic larynx of Xenopus laevis, Dev. Biol., 131, 111, 10.1016/S0012-1606(89)80042-9

Kikuyama, 1995, Sodefrin: a female-attracting peptide pheromone in newt cloacal glands, Science, 267, 1643, 10.1126/science.7886452

Kikuyama, 2000, Newt prolactin and its involvement in reproduction, Can. J. Physiol. Pharmacol., 78, 984, 10.1139/y00-099

Kikuyama, 2001, Endocrine control of reproductive behavior of the newt, Cynops pyrrhogaster, 317

Klomberg, 2000, The neuropeptide arginine vasotocin alters male call charateristics involved in social interactions in the grey treefrog, Hyla versicolor, Anim. Behav., 59, 807, 10.1006/anbe.1999.1367

Licht, 1983, Seasonal and stress related changes in plasma gonadotropins, sex steroids, and corticosterone in the bullfrog, Rana catesbeiana, Gen. Comp. Endocrinol., 50, 124, 10.1016/0016-6480(83)90249-6

Lofts, 1974, Reproduction, vol. II, 107

Lowry, 1997, Neuroanatomical distribution of vasotocin in a urodele amphibian (Taricha granulosa) revealed by immunohistochemical and in situ hybridization techniques, J. Comp. Neurol., 385, 43, 10.1002/(SICI)1096-9861(19970818)385:1<43::AID-CNE3>3.0.CO;2-C

Malacarne, 1980, Influence of testosterone on mating behavior in the male crested newt (Triturus cristatus carnifex laur.), Boll. Zool., 47, 107, 10.1080/11250008009440327

Malacarne, 1982, Effects of nostril plugging and of habenulectomy on sexual behaviour in the male crested newt, Behav. Proc., 7, 307, 10.1016/0376-6357(82)90003-1

Marin, 1990, Hormone-sensitive stages in the sexual differentiation of laryngeal muscle fiber number in Xenopus laevis, Development, 110, 703, 10.1242/dev.110.3.703

Marler, 1996, Energetic constraints and steroid hormone correlates of male calling behaviour in the Tungara frog, J. Zool. (London), 240, 397, 10.1111/j.1469-7998.1996.tb05294.x

Marler, 1995, Arginine vasotocin injection increases probability of calling in cricket frogs, but causes call changes characteristic of less aggressive males, Horm. Behav., 29, 554, 10.1006/hbeh.1995.1286

Marler, 1999, Forebrain arginine vasotocin correlates of alternative male mating strategies in cricket frogs, Horm. Behav., 36, 53, 10.1006/hbeh.1999.1524

Martin, 1972, Evolution of vocalization in the genus Bufo, 279

Mathieson, 1996, Development of arginine vasotocin innervation in two species of anuran amphibian: Rana catesbeiana and Rana sylvatica, Histochem. Cell Biol., 105, 305, 10.1007/BF01463933

McClelland, 1989, Release call characteristics of male and female Rana pipiens, Copeia, 1989, 1045, 10.2307/1445996

McClelland, 1989, Sexually dimorphic laryngeal morphology in Rana pipiens, J. Morphol., 201, 293, 10.1002/jmor.1052010308

McClelland, 1996, Correlations between call characteristics and morphology in male cricket frogs (Acris crepitans), J. Exp. Biol., 199, 1907, 10.1242/jeb.199.9.1907

McClelland, 1997, Sexual dimorphism and species differences in the neurophysiology and morphology of the acoustic communication system of two neotropical hylids, J. Comp. Physiol., 180, 451, 10.1007/s003590050062

Mendonca, 1985, Changes in hormone levels in relation to breeding behavior in male bullfrogs (Rana catesbeiana) at the individual and population levels, Gen. Comp. Endocrinol., 58, 270, 10.1016/0016-6480(85)90343-0

Moore, 1978, Differential effects of testosterone plus dihydrostestosterone on male courtship of castrated newts, Taricha granulosa, Horm. Behav., 11, 202, 10.1016/0018-506X(78)90049-1

Moore, 1999, Steroid hormones use non-genomic mechanisms to control brain functions and behaviors: a review of evidence, Brain Behav. Evol., 54, 41, 10.1159/000006610

Moore, 1998, Comparative neuroanatomy of vasotocin and vasopressin in amphibians and other vertebrates, Comp. Biochem. Physiol., Part C: Pharmacol., Toxicol. Endocrinol., 119, 251, 10.1016/S0742-8413(98)00014-0

Moore, 1983, Arginine vasotocin induces sexual behavior of newts by acting on cells in the brain, Peptides, 4, 97, 10.1016/0196-9781(83)90173-0

Moore, 1984, Stress-induced inhibition of sexual behavior: corticosterone inhibits courtship behaviors of a male amphibian (Taricha granulosa), Horm. Behav., 18, 400, 10.1016/0018-506X(84)90026-6

Moore, 1979, Endocrine control of amphibian sexual behavior: evidence for a neurohormone–androgen interaction, Horm. Behav., 13, 207, 10.1016/0018-506X(79)90038-2

Moore, 1985, Stress-induced inhibition of reproduction: evidence of suppressed secretion of LHRH in an amphibian, Gen. Comp. Endocrinol., 60, 252, 10.1016/0016-6480(85)90321-1

Moore, 1978, Effects of testosterone and methallibure on courtship and plasma androgen concentrations of male newts, Taricha granulosa, Gen. Comp. Endocrinol., 34, 259, 10.1016/0016-6480(78)90247-2

Moore, 1979, Origin and regulation of plasma dihydrostestosterone and testosterone in the rough-skinned newt, Taricha granulosa, Gen. Comp. Endocrinol., 38, 451, 10.1016/0016-6480(79)90152-7

Moore, 1992, Sex steroids and vasotocin interact in a female amphibian (Taricha granulosa) to elicit female-like egg-laying behavior or male-like courtship, Horm. Behav., 26, 156, 10.1016/0018-506X(92)90039-X

Moore, 2000, Sexual dimorphism in numbers of vasotocin-immunoreactive neurons in brain areas associated with reproductive behaviors in the roughskin newt, Gen. Comp. Endocrinol., 117, 281, 10.1006/gcen.1999.7424

Mosconi, 1994, Seasonal changes of plasma prolactin concentration in the reproduction of the crested newt (Triturus carnifex Laur), Gen. Comp. Endocrinol., 95, 342, 10.1006/gcen.1994.1132

Muske, 1988, The nervus terminalis in amphibian: anatomy, chemistry and relationship with the hypothalamic gonadotropin-releasing hormone system, Brain Behav. Evol., 32, 141, 10.1159/000116541

Orchinik, 1988, Plasma steroid concentrations change in response to sexual behavior in Bufo marinus, Horm. Behav., 22, 338, 10.1016/0018-506X(88)90006-2

Orchinik, 1991, A corticosteroid receptor in neuronal membranes, Science, 252, 1848, 10.1126/science.2063198

Orchinik, 1992, Guanyl nucleotides modulate binding to steroid receptors in neuronal membranes, Proc. Natl. Acad. Sci. U. S. A., 89, 3830, 10.1073/pnas.89.9.3830

Orchinik, 2000, Distinct specificity for corticosteroid binding sites in amphibian cytosol, neuronal membranes, and plasma, Gen. Comp. Endocrinol., 118, 284, 10.1006/gcen.2000.7462

Palka, 1973, Pituitary and testicular influenced sexual behavior in male frogs, Rana pipiens, Gen. Comp. Endocrinol., 21, 148, 10.1016/0016-6480(73)90165-2

Park, 2001, Repellent function of male pheromones in the red-spotted newt, J. Exp. Zool., 289, 404, 10.1002/jez.1021

Penna, 1992, Hormone-induced vocal behavior and midbrain auditory sensitivity in the green treefrog, Hyla cinerea, J. Comp. Physiol., A, 170, 73, 10.1007/BF00190402

Picker, 1983, Hormonal induction of the aquatic phonotactic response of Xenopus, Behavior, 84, 74, 10.1163/156853983X00291

Propper, 1997, Differential effects of arginine vasotocin and gonadotropin-releasing hormone on sexual behaviors in an anuran amphibian, Horm. Behav., 32, 99, 10.1006/hbeh.1997.1408

Raimondi, 1981, Sex dimorphism in responsiveness to hormonal induction of female behavior in frogs, Physiol. Behav., 27, 167, 10.1016/0031-9384(81)90316-4

Rastogi, 1986, Reproduction in the Mexican leaf frog, Pachymedusa dacnicolor: 2. The male, Gen. Comp. Endocrinol., 62, 23, 10.1016/0016-6480(86)90090-0

Robertson, 1996, Thyroid hormone controls the onset of androgen sensitivity in the developing larynx of Xenopus laevis, Dev. Biol., 176, 108, 10.1006/dbio.1996.9990

Rollmann, 1999, Proteinaceous pheromone affecting female receptivity in a terrestrial salamander, Science, 285, 1907, 10.1126/science.285.5435.1907

Rose, 1999, A neurobehavioral model for rapid actions of corticosterone on sensorimotor integration, Steroids, 64, 92, 10.1016/S0039-128X(98)00094-4

Rose, 2002, Behavioral neuroendocrinology of vasotocin and vasopressin and the sensorimotor processing hypothesis, Front. Neuroendocrinol., 23, 317, 10.1016/S0091-3022(02)00004-3

Rose, 1993, Rapid neurophysiological effects of corticosterone on medullary neurons: relationship to stress-induced suppression of courtship clasping in an amphibian, Neuroendocrinology, 57, 815, 10.1159/000126440

Rose, 1993, Rapid neurophysiological effects of corticosterone on medullary neurons: relationship to stress-induced suppression of courtship clasping in an amphibian, Neuroendocrinology, 57, 815, 10.1159/000126440

Rose, 1995, Neurophysiological effects of vasotocin and corticosterone on medullary neurons: implications for hormonal control of amphibian courtship behavior, Neuroendocrinology, 62, 406, 10.1159/000127030

Rose, 1998, Rapid, corticosterone-induced disruption of medullary sensorimotor integration related to suppression of amplectic clasping in behaving roughskin newts (Taricha granulosa), Horm. Behav., 34, 268, 10.1006/hbeh.1998.1483

Russell, 1954, Experimental studies of the reproductive behavior of Xenopus laevis: I, Behaviour, 7, 113, 10.1163/156853955X00058

Sassoon, 1986, The sexually dimorphic larynx of Xenopus laevis: development and androgen regulation, Am. J. Anat., 177, 457, 10.1002/aja.1001770404

Sassoon, 1987, Androgen regulation of muscle fiber type in the sexually dimorphic larynx of Xenopus laevis, J. Neurosci., 7, 3198, 10.1523/JNEUROSCI.07-10-03198.1987

Schmidt, 1985, Prostaglandin-induced mating call phonotaxis in female American toad: facilitation by progesterone and arginine vasotocin, J. Comp. Physiol., A, 156, 823, 10.1007/BF00610834

Semsar, 1998, Arginine vasotocin increases calling-site acquisition by nonresident male grey treefrogs, Anim. Behav., 56, 983, 10.1006/anbe.1998.0863

Siboulet, 1981, Variations saisonnieres de la teneur plasmatique en testosterone et dihydrotestosterone chez le crapaud de Mauritanie, Gen. Comp. Endocrinol., 43, 71, 10.1016/0016-6480(81)90033-2

Smeets, 2001, Vasotocin and mesotocin in the brains of amphibians: state of the art, Microsc. Res. Tech., 54, 125, 10.1002/jemt.1128

Solis, 1997, Testosterone levels and evoked vocal responses in a natural population of the frog Batrachyla taeniata, Horm. Behav., 31, 101, 10.1006/hbeh.1997.1366

Specker, 1980, Annual cycle of plasma androgens and testicular composition in the rough-skinned newt, Taricha granulosa, Gen. Comp. Endocrinol., 42, 297, 10.1016/0016-6480(80)90158-6

Steinach, 1894, Untersuchen zur vergleichenden physiologies der mannlichen geschlectsorgane insbesondere der accesorischen geschlectsdrusen, Pflugers Arch., 56, 304, 10.1007/BF02430592

Tanaka, 1983, Seasonal changes in plasma testosterone and 5 alpha-dihydrotestosterone levels in the adult male newt, Cynops pyrrhogaster pyrrhogaster, Endocrinol. Jpn., 30, 1, 10.1507/endocrj1954.30.1

Taylor, 1991, Thyrotropin-releasing hormone facilitates display of reproductive behavior and locomotor behavior in an amphibian, Horm. Behav., 25, 128, 10.1016/0018-506X(91)90046-K

Thompson, 2000, Vasotocin stimulates appetitive responses to the visual and pheromonal stimuli used by male roughskin newts during courtship, Horm. Behav., 38, 75, 10.1006/hbeh.2000.1610

Thompson, 1999, Behavioral evidence for a sex-pheromone in female roughskin newts, Taricha granulosa, 421

Tito, 1999, Vasotocin maintains multiple call types in the gray treefrog, Hyla versicolor, Horm. Behav., 36, 166, 10.1006/hbeh.1999.1540

Tobias, 1995, Sexual differentiation and hormonal regulation of the laryngeal synapse in Xenopus laevis, J. Neurobiol., 28, 515, 10.1002/neu.480280411

Tobias, 1991, Development of functional sex differences in the larynx of Xenopus laevis, Dev. Biol., 147, 251, 10.1016/S0012-1606(05)80022-3

Tobias, 1991, Temporal constraints on androgen directed laryngeal masculinization in Xenopus laevis, Dev. Biol., 147, 260, 10.1016/S0012-1606(05)80023-5

Tobias, 1998, Attaining and maintaining strong vocal synapses in female Xenopus laevis, J. Neurobiol., 37, 441, 10.1002/(SICI)1097-4695(19981115)37:3<441::AID-NEU9>3.0.CO;2-5

Townsend, 1987, Plasma androgen levels during male parental care in a tropical frog (Eleutherodactylus), Horm. Behav., 21, 93, 10.1016/0018-506X(87)90034-1

Toyoda, 2000, Hormonal influence on the olfactory response to a female-attracting pheromone, sodefrin, in the newt, Cynops pyrrhogaster, Comp. Biochem. Physiol., Part B: Biochem. Mol. Biol., 126, 239, 10.1016/S0305-0491(00)00202-9

Toyoda, 1993, Hormonal induction of male courtship behavior in the Japanese newt, Cynops pyrrhogaster, Horm. Behav., 27, 511, 10.1006/hbeh.1993.1037

Toyoda, 1994, Hormonal control of response to and secretion of sex attractants in Japanese newts, Physiol. Behav., 55, 569, 10.1016/0031-9384(94)90118-X

Toyoda, 1996, Involvement of endogenous prolactin in the expression of courtship behavior in the newt, Cynops pyrrogaster, Gen. Comp. Endocrinol., 102, 191, 10.1006/gcen.1996.0060

Wada, 1976, Correlation between blood level of androgens and sexual behavior in male leopard frogs, Rana pipiens, Gen. Comp. Endocrinol., 29, 72, 10.1016/0016-6480(76)90008-3

Walkowiak, 1988, Neuroethology of anuran call recognition, 485

Weintraub, 1985, Prostaglandin E2 induces receptive behaviors in female Xenopus laevis, Horm. Behav., 19, 386, 10.1016/0018-506X(85)90036-4

Wetzel, 1983, Androgen and gonadotropin effects on male mate calls in South African clawed frogs, Xenopus laevis, Horm. Behav., 17, 388, 10.1016/0018-506X(83)90048-X

Woodley, 1994, Plasma androgen levels, spermatogenesis, and secondary sexual characteristics in two species of plethodontid salamanders with dissociated reproductive patterns, Gen. Comp. Endocrinol., 96, 206, 10.1006/gcen.1994.1175

Yamamoto, 1996, Radioimmunoassay of a newt sex pheromone, sodefrin, and influence of hormones on its level in the abdominal gland, Gen. Comp. Endocrinol., 104, 356, 10.1006/gcen.1996.0181

Yamamoto, 2000, Silefrin, a sodefrin-like pheromone in the abdominal gland of the sword-tailed newt, Cynops ensicauda, FEBS Lett., 472, 267, 10.1016/S0014-5793(00)01455-1

Zerani, 1993, Corticosterone during the annual reproductive cycle and in sexual behavior in the crested newt, Triturus carnifex, Horm. Behav., 27, 29, 10.1006/hbeh.1993.1003

Zerani, 1992, Plasma testosterone and 17 beta-estradiol concentrations, and aromatase activity, during courtship in male Triturus carnifex, Horm. Behav., 26, 56, 10.1016/0018-506X(92)90031-P

Zoeller, 1982, Duration of androgen treatment modifies behavioral response to arginine vasotocin in Taricha granulosa, Horm. Behav., 16, 23, 10.1016/0018-506X(82)90003-4

Zoeller, 1986, Correlation between immunoreactive vasotocin in optic tectum and seasonal changes in reproductive behaviors of male rough-skinned newts, Horm. Behav., 20, 148, 10.1016/0018-506X(86)90013-9

Zoeller, 1988, Brain arginine vasotocin concentrations related to sexual behaviors and hydromineral balance in an amphibian, Horm. Behav., 22, 66, 10.1016/0018-506X(88)90031-1