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Batabyal A, Zambre A, Mclaren T, Rankin KJ, Somaweera R, Stuart‐Fox D, Thaker M. The extent of rapid colour change in male agamid lizards is unrelated to overall sexual dichromatism. Ecol Evol 2023; 13:e10293. [PMID: 37435020 PMCID: PMC10329938 DOI: 10.1002/ece3.10293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 06/12/2023] [Accepted: 06/21/2023] [Indexed: 07/13/2023] Open
Abstract
Dynamic colour change is widespread in ectothermic animals, but has primarily been studied in the context of background matching. For most species, we lack quantitative data on the extent of colour change across different contexts. It is also unclear whether and how colour change varies across body regions, and how overall sexual dichromatism relates to the extent of individual colour change. In this study, we obtained reflectance measures in response to different stimuli for males and females of six species of agamid lizards (Agamidae, sister family to Chameleonidae) comprising three closely related species pairs. We computed the colour volume in a lizard-vision colour space occupied by males and females of each species and estimated overall sexual dichromatism based on the area of non-overlapping male and female colour volumes. As expected, males had larger colour volumes than females, but the extent of colour change in males differed between species and between body regions. Notably, species that were most sexually dichromatic were not necessarily those in which males showed the greatest individual colour change. Our results indicate that the extent of colour change is independent of the degree of sexual dichromatism and demonstrate that colour change on different body regions can vary substantially even between pairs of closely related species.
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Affiliation(s)
- Anuradha Batabyal
- Department of Physical and Natural SciencesFLAME UniversityPuneIndia
- Centre for Ecological SciencesIndian Institute of ScienceBengaluruIndia
| | - Amod Zambre
- Centre for Ecological SciencesIndian Institute of ScienceBengaluruIndia
- Department of Ecology, Evolution and BehaviorUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Tess Mclaren
- School of BioSciencesThe University of MelbourneParkvilleVictoriaAustralia
| | - Katrina J. Rankin
- School of BioSciencesThe University of MelbourneParkvilleVictoriaAustralia
| | - Ruchira Somaweera
- Stantec AustraliaPerthWestern AustraliaAustralia
- School of Biological SciencesUniversity of Western AustraliaPerthWestern AustraliaAustralia
| | - Devi Stuart‐Fox
- School of BioSciencesThe University of MelbourneParkvilleVictoriaAustralia
| | - Maria Thaker
- Centre for Ecological SciencesIndian Institute of ScienceBengaluruIndia
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2
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Clark DL, Macedonia JM, Neyer EE, Mish AME, Rowe JW, Valle CA. Display Responses of Galápagos Lava Lizards ( Microlophus bivittatus) to Manipulation of Male Shoulder Epaulets on Conspecific-Mimicking Robots. HERPETOLOGICA 2023. [DOI: 10.1655/herpetologica-d-22-00026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Affiliation(s)
| | | | | | | | - John W. Rowe
- Department of Biolog Alma College Alma MI 48801 USA
| | - Carlos A. Valle
- Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Campus Cumbayá Av. Diego de Robles S/N e Interoceánica, Quito, Ecuador
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3
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Katlein N, Ray M, Wilkinson A, Claude J, Kiskowski M, Wang B, Glaberman S, Chiari Y. Does colour impact responses to images in geckos? J Zool (1987) 2022. [DOI: 10.1111/jzo.12969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- N. Katlein
- Department of Biology University of South Alabama Mobile AL USA
| | - M. Ray
- Department of Biology University of South Alabama Mobile AL USA
| | - A. Wilkinson
- School of Life Sciences University of Lincoln Lincoln UK
| | - J. Claude
- UMR UM/CNRS/IRD/EPHE Institut des Sciences de l’Evolution de Montpellier MontpellierFrance
| | - M. Kiskowski
- Department of Mathematics and Statistics University of South Alabama Mobile AL USA
| | - B. Wang
- Department of Mathematics and Statistics University of South Alabama Mobile AL USA
| | - S. Glaberman
- Department of Environmental Science and Policy George Mason University Fairfax VA USA
| | - Y. Chiari
- Department of Biology University of South Alabama Mobile AL USA
- Department of Biology George Mason University Fairfax VA USA
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4
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Nelson CM, Ord TJ. Identifying potential cues of species identity in complex animal signals. Anim Behav 2022. [DOI: 10.1016/j.anbehav.2022.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Anderson NK, Gururaja KV, Mangiamele LA, Netoskie EC, Smith S, Fuxjager MJ, Preininger D. Insight into the Evolution of Anuran Foot Flag Displays: A Comparative Study of Color and Kinematics. ICHTHYOLOGY & HERPETOLOGY 2021. [DOI: 10.1643/h2020160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Nigel K. Anderson
- Department of Ecology, Evolution and Organismal Biology, Brown University, Providence, Rhode Island 02912; (NKA) ; and (MJF) . Send reprint requests to NKA
| | - K. V. Gururaja
- Research and Development Center and Science Media Center, Indian Institute of Science Campus, Gubbi Labs, Bengaluru 560012, India;
| | - Lisa A. Mangiamele
- Department of Biological Sciences, Smith College, Northampton, Massachusetts 01063; (LAM) ; and (SS)
| | - Erin C. Netoskie
- Department of Environmental Sciences, Juniata College, Huntingdon, Pennsylvania 16652;
| | - Sarah Smith
- Department of Biological Sciences, Smith College, Northampton, Massachusetts 01063; (LAM) ; and (SS)
| | - Matthew J. Fuxjager
- Department of Ecology, Evolution and Organismal Biology, Brown University, Providence, Rhode Island 02912; (NKA) ; and (MJF) . Send reprint requests to NKA
| | - Doris Preininger
- Vienna Zoo, 1130 Vienna, Austria; Department of Evolutionary Biology, University Vienna, Austria;
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Ord TJ, Klomp DA, Summers TC, Diesmos A, Ahmad N, Das I. Deep-time convergent evolution in animal communication presented by shared adaptations for coping with noise in lizards and other animals. Ecol Lett 2021; 24:1750-1761. [PMID: 34196091 DOI: 10.1111/ele.13773] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 12/01/2022]
Abstract
Convergence in communication appears rare compared with other forms of adaptation. This is puzzling, given communication is acutely dependent on the environment and expected to converge in form when animals communicate in similar habitats. We uncover deep-time convergence in territorial communication between two groups of tropical lizards separated by over 140 million years of evolution: the Southeast Asian Draco and Caribbean Anolis. These groups have repeatedly converged in multiple aspects of display along common environmental gradients. Robot playbacks to free-ranging lizards confirmed that the most prominent convergence in display is adaptive, as it improves signal detection. We then provide evidence from a sample of the literature to further show that convergent adaptation among highly divergent animal groups is almost certainly widespread in nature. Signal evolution is therefore curbed towards the same set of adaptive solutions, especially when animals are challenged with the problem of communicating effectively in noisy environments.
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Affiliation(s)
- Terry J Ord
- Evolution & Ecology Research Centre and the School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Danielle A Klomp
- Evolution & Ecology Research Centre and the School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Thomas C Summers
- Evolution & Ecology Research Centre and the School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Arvin Diesmos
- Herpetology Section, Zoology Division, National Museum of the Philippines, Manila, Philippines
| | - Norhayati Ahmad
- Department of Biological Sciences and Biotechnology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Indraneil Das
- Institute of Biodiversity and Environmental Conservation, Universiti Malaysia Sarawak, Kota Samarahan, Malaysia
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Dyson ML, Perez DM, Curran T, McCullough EL, Backwell PRY. The role of claw color in species recognition and mate choice in a fiddler crab. Behav Ecol Sociobiol 2020. [DOI: 10.1007/s00265-020-02899-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Abstract
Many animal signals are brightly colored and convey information about species identity as well as information about individual conspecifics. Colorful bird and lizard signals have received much attention, and many studies have related specific spectral properties of these signals to variation in mating success and territory defense. Far less attention has been given to invertebrates even though there are spectacularly colorful species. The enlarged claw of the male banana fiddler crab Austruca mjoebergi, for example, is bright yellow and contrasts vividly against the mudflat substrate. It is used in waving displays to attract females and in male territory defense and combat. Claw color varies among males in the degree of “yellowness,” ranging very pale yellow to orange. In this study, we examined female responses to claw color variation in two-choice tests using robotic crabs. We found that although females strongly discriminate against colors that fall outside the natural range of intensity, hue, and chroma, they show no consistent preferences for different claw colors within the natural range, and no single component of claw color (hue, chroma, or intensity) independently affected female choices. Using three-choice tests, we also showed that female preferences induce stabilizing selection on male claw color. We conclude that, although claw color is sufficient to facilitate species recognition, it is unlikely to be used in intraspecific mate choice to provide information about male quality.
Significance statement
Fiddler crabs are often brightly colored, are visually orientated animals, and have a highly complex social system. Despite this, there are few studies that have looked at the role of color in species recognition and mate choice in these animals. In this study, we use robotic crabs with painted claws to determine the role of claw color in species recognition and mate choice in the banana fiddler crab, Austruca mjoebergi. We found that color is important in conspecific mate recognition but the variation among males in claw “yellowness” is unlikely to be used by females in intraspecific mate choice decisions.
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Dufour CMS, Clark DL, Herrel A, Losos JB. Recent biological invasion shapes species recognition and aggressive behaviour in a native species: A behavioural experiment using robots in the field. J Anim Ecol 2020; 89:1604-1614. [PMID: 32221966 DOI: 10.1111/1365-2656.13223] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 03/02/2020] [Indexed: 11/30/2022]
Abstract
Invasive species are a world-wide threat to biodiversity. Yet, our understanding of biological invasions remains incomplete, partly due to the difficulty of tracking and studying behavioural interactions in recently created species interactions. We tested whether the interactions between the recently introduced invasive lizard Anolis cristatellus and the native Anolis oculatus in Dominica have led to changes in species recognition and aggressive behaviour of the native species. The use of realistic robots allowed us to test the behavioural response of 131 A. oculatus males towards relevant and controlled conspecific versus heterospecific stimuli, directly in the field and in two contexts (allopatry vs. sympatry). Our results show that species recognition evolved prior to sympatry in A. oculatus. Moreover, interspecific competition resulted in an increase in the time spent displaying and a divergence in the aggressive behaviour of the native species towards conspecifics versus heterospecifics. Inherent species recognition and higher aggressive behaviour may limit species coexistence as they are expected to favour A. oculatus during territorial interactions with A. cristatellus. While more studies are needed to understand the causes of these behavioural shifts and their consequences on long-term species coexistence, the present study highlights the role of behaviour as a first response to interspecific interactions.
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Affiliation(s)
- Claire M S Dufour
- Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA
| | | | - Anthony Herrel
- Département 'Adaptations du vivant', UMR 7179 C.N.R.S/M.N.H.N., Museum National d'Histoire Naturelle, Paris, France
| | - Jonathan B Losos
- Department of Biology, Washington University, St. Louis, MO, USA
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Clark DL, Macedonia JM, Rowe JW, Austin MR, Centurione IM, Valle CA. Galápagos lava lizards (Microlophus bivittatus) respond dynamically to displays from interactive conspecific robots. Behav Ecol Sociobiol 2019. [DOI: 10.1007/s00265-019-2732-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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10
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Gunderson AR, Fleishman LJ, Leal M. Visual "playback" of colorful signals in the field supports sensory drive for signal detectability. Curr Zool 2018; 64:493-498. [PMID: 30108630 PMCID: PMC6084605 DOI: 10.1093/cz/zoy046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 06/02/2018] [Indexed: 11/12/2022] Open
Abstract
Colorful visual signals are important systems for investigating the effects of signaling environments and receiver physiology on signal evolution as predicted by the sensory drive hypothesis. Support for the sensory drive hypothesis on color signal evolution is mostly based on documenting correlations between the properties of signals and habitat conditions under which the signals are given (i.e., a correlational approach) and less commonly on the use of mathematical models that integrate representations of visual environments, signal properties, and sensory systems (i.e., a functional approach). Here, we used an experimental approach in the field to evaluate signal efficacy of colorful lizard throat fans called dewlaps that show geographic variation in the lizard Anolis cristatellus. We used a remote controlled apparatus to display "fake dewlaps" to wild lizards to test for adaptive divergence in dewlap brightness (i.e., perceived intensity) among populations in situ. We found evidence of local adaptation in dewlap brightness consistent with the sensory drive hypothesis. Specifically, dewlaps that had the brightness characteristics of local lizards were more likely to be detected than those with the brightness characteristics of non-local lizards. Our findings indicate that simplified mathematical representations of visual environments may allow robust estimates of relative detectability or conspicuousness in natural habitats. We have shown the feasibility of evaluating color signal efficacy experimentally under natural conditions and demonstrate the potential advantages of presenting isolated components of signals to an intended receiver to measure their contribution to signal function.
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Affiliation(s)
- Alex R Gunderson
- Department of Integrative Biology, University of California, Berkeley, CA, USA
| | | | - Manuel Leal
- Division of Biological Sciences, University of Missouri, 105 Tucker Hall, Columbia, MO, USA
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