Vocalisations of the Marbled Frogmouth I: Descriptions and an Analysis of Sex Differences

Smith, Geoffrey C.; Jones, Darryl

doi:10.1071/mu97042

Cited by 8 publications

(5 citation statements)

References 5 publications

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“…Among different calls of vocal repertoire of the Marbled Frogmouth (Podargus ocellatus), sex-related differences were found only in the gobble call, which both sexes produce throughout the year at territorial conflicts (Smith and Jones 1997). The gobble calls consist of low-frequency elements, repeated with intervals less than one tenth of a second.…”

Section: Order Caprimulgiformesmentioning

confidence: 99%

“…Such species are usual in many taxa: among geese, cranes, rails, raptors, owls, parrots, doves, auks, shearwaters and some passerines (e.g. Clapperton 1983;Cavanagh and Ritchison 1987;Carlson and Trost 1992;Ballintijn and ten Cate 1997;Smith and Jones 1997;Venuto et al 2001;Eda-Fujiwara et al 2004;Volodin et al 2005aVolodin et al , 2009Klenova et al 2012). Sexing monomorphic birds represents a problem in both captive and wildlife management, e.g., in forming pairs for breeding and estimating sex ratios during censuses.…”

Section: Introductionmentioning

confidence: 99%

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Gender identification using acoustic analysis in birds without external sexual dimorphism

Volodin

Volodina²,

Klenova

et al. 2015

Avian Res

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Zoo and wildlife management faces a problem with bird sexing, as many bird taxa have indiscernible gender differences in size and coloration. Problematic groups are geese, cranes, rails, raptors, owls, parrots, doves, auks, shearwaters and some passerines. Commonly accepted invasive sexing techniques based on genetics, laparoscopy, morphometric and on cloacal inspection, are all needed in bird capturing and handling. Capturing and subsequent manipulations may be inapplicable for free-ranging birds, whereas distant voice-based sexing is relevant for many species. This review evaluates the potential for noninvasive sexing by separate calls or duet calls, for adult birds of 69 species from 16 orders and for chicks of 11 species from 7 orders. For adult birds of 25 species, a single call per individual was sufficient for 100 % reliable sexing by ear or using spectrographic analysis. For chicks, the potential for voice-based sexing seems to be very limited. For birds calling rarely or unpredictably, we propose a simple way of provoking vocalization using playbacks of species-specific calls that are available from sound libraries. We conclude that sexing by voice may represent a feasible alternative to the classical sexing techniques, both in the wild and in captivity.

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Section: Order Caprimulgiformesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Gender identification using acoustic analysis in birds without external sexual dimorphism

Volodin

Volodina²,

Klenova

et al. 2015

Avian Res

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show abstract

“…S1_4 syllable type containing one male and four female calls. S2_x syllable type containing two male and from one to four female calls screech-owl Otus asio (Cavanagh and Ritchison 1987), black-necked grebe Podiceps nigricollis (Nuechterlein and Buitron 1992), collared dove Streptopelia decaocto (Ballintijn and ten Cate 1997), orange-billed fruit dove Ptilinopus iozonus (Baptista and Gaunt 1997), marbled frogmouth Podargus ocellatus (Smith and Jones 1997), and parrots Poicephalus spp. (Venuto et al 2001).…”

Section: Discussionmentioning

confidence: 99%

Duet structure provides information about pair identity in the red-crowned crane (Grus japonensis)

Klenova

Volodin

Volodina³

2007

J Ethol

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We studied the acoustic features of the endangered red-crowned crane (Grus japonensis), and, specifically, whether or not the duets carry information about a mating pair identity. The population of this species in the wild is only approximately 2,000 individuals. In 2003-2006, we recorded 343 duets from eight captive and two wild pairs. All of the duets contained an introduction, an unordered alternation of pair mate calls, followed by the main part, representing the regular sequence of syllables, containing 1-2 male and 1-4 female calls per syllable. We subdivided the syllables into five types, by the number of male and female calls per syllable, and analyzed the occurrence of the different syllable types in the duets of the ten pairs. The analysis showed the sustainable pair-specific use of particular syllable types through the years. The discriminant analysis standard procedure, based on seven frequency and temporal parameters of male and female calls, showed 97.7% correct assignment to the pair, which is significantly higher than random values. The high pair specificity of the duet acoustic structures provides the basis for call-based censuses. This would enable the monitoring of the red-crowned crane mating pairs in their natural habitat.

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“…Other abbreviations: nIII, nucleus of the oculomotor nerve; PT, nucleus pretectalis; TeO, optic tectum. Scale bars = 400 μm interaural canal anatomy are needed to determine if the observations made in plains-wanderers are applicable to other species that utilize low frequency sounds for communication (e.g., Garcia, Charrier, Rendall, & Iwaniuk, 2012;Smith & Jones, 1997;Wahlberg, Tougaard, & Mohl, 2003).…”

Section: A Tactile " Fovea" In Birdsmentioning

confidence: 99%

“…However, in the absence of actual measurements of the interaural canal in Pettigrew and Larsen (), the magnitude of this enlargement is uncertain and it is impossible to predict to what degree the enlargement might improve their directional hearing. The plains‐wanderer population has since declined precipitously (Johnstone, Miller, & Antos, ) thereby preventing further physiological or behavioral studies, but as noted by Christensen‐Dalsgaard (), additional studies of directionality and interaural canal anatomy are needed to determine if the observations made in plains‐wanderers are applicable to other species that utilize low frequency sounds for communication (e.g., Garcia, Charrier, Rendall, & Iwaniuk, ; Smith & Jones, ; Wahlberg, Tougaard, & Mohl, ).…”

Section: Neuroethology In a Sunburnt Countrymentioning

confidence: 99%

Sensory systems in birds: What we have learned from studying sensory specialists

Iwaniuk

Wylie

2020

J of Comparative Neurology

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"Diversity" is an apt descriptor of the research career of Jack Pettigrew as it ranged from the study of trees, to clinical conditions, to sensory neuroscience. Within sensory neuroscience, he was fascinated by the evolution of sensory systems across species. Here, we review some of his work on avian sensory specialists and research that he inspired in others. We begin with an overview of the importance of the Wulst in stereopsis and the need for further study of the Wulst in relation to binocularity across avian species. Next, we summarize recent anatomical, behavioral, and physiological studies on optic flow specializations in hummingbirds. Beyond vision, we discuss the first evidence of a tactile "fovea" in birds and how this led to detailed studies of tactile specializations in waterfowl and sensorimotor systems in parrots. We then describe preliminary studies by Pettigrew of two endemic Australian species, the plains-wanderer (Pedionomus torquatus) and letter-winged kite (Elanus scriptus), that suggest the evolution of some unique auditory and visual specializations in relation to their unique behavior and ecology. Finally, we conclude by emphasizing the importance of a comparative and integrative approach to understanding avian sensory systems and provide an example of one system that has yet to be properly examined: tactile facial bristles in birds. Through reviewing this research and offering future avenues for discovery, we hope that others also embrace the comparative approach to understanding sensory system evolution in birds and other vertebrates.

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Vocalisations of the Marbled Frogmouth I: Descriptions and an Analysis of Sex Differences

Cited by 8 publications

References 5 publications

Gender identification using acoustic analysis in birds without external sexual dimorphism

Gender identification using acoustic analysis in birds without external sexual dimorphism

Duet structure provides information about pair identity in the red-crowned crane (Grus japonensis)

Sensory systems in birds: What we have learned from studying sensory specialists

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