Functional correlates of skull shape in Chiroptera: feeding and echolocation adaptations
Morphological, functional, and behavioral adaptations of bats are among the most diverse within mammals. A strong association between bat skull morphology and feeding behavior has been suggested previously. However, morphological variation related to other drivers of adaptation, in particular echolo...
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| Veröffentlicht in: | Integrative zoology 2022-05, Vol.17 (3), p.430-442 |
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| creator | GIACOMINI, Giada HERREL, Anthony CHAVERRI, Gloriana BROWN, Richard P. RUSSO, Danilo SCARAVELLI, Dino MELORO, Carlo |
| description | Morphological, functional, and behavioral adaptations of bats are among the most diverse within mammals. A strong association between bat skull morphology and feeding behavior has been suggested previously. However, morphological variation related to other drivers of adaptation, in particular echolocation, remains understudied. We assessed variation in skull morphology with respect to ecology (diet and emission type) and function (bite force, masticatory muscles and echolocation characteristics) using geometric morphometrics and comparative methods. Our study suggests that variation in skull shape of 10 bat families is the result of adaptations to broad dietary categories and sound emission types (oral or nasal). Skull shape correlates with echolocation parameters only in a subsample of insectivorous species, possibly because they (almost) entirely rely on this sensory system for locating and capturing prey. Insectivores emitting low frequencies are characterized by a ventrally tilted rostrum, a trait not associated with feeding parameters. This result questions the validity of a trade‐off between feeding and echolocation function. Our study advances understanding of the relationship between skull morphology and specific features of echolocation and suggests that evolutionary constraints due to echolocation may differ between different groups within the Chiroptera.
We studied skull size and shape variation in 10 families of bats. Skull size correlated strongly with diet and frequency emission mode. The impact of echolocation on shape was detectable within a subset of insectivorous species questioning trade‐off between feeding and echolocating. |
| doi_str_mv | 10.1111/1749-4877.12564 |
| format | Article |
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We studied skull size and shape variation in 10 families of bats. Skull size correlated strongly with diet and frequency emission mode. The impact of echolocation on shape was detectable within a subset of insectivorous species questioning trade‐off between feeding and echolocating.</description><subject>Adaptation</subject><subject>Animal biology</subject><subject>Animals</subject><subject>Biodiversity</subject><subject>Biological Evolution</subject><subject>Chiroptera</subject><subject>Chiroptera - physiology</subject><subject>Diet</subject><subject>Echolocation</subject><subject>Echolocation - physiology</subject><subject>Emissions</subject><subject>Feeding behavior</subject><subject>Feeding habits</subject><subject>functional morphology</subject><subject>geometric morphometrics</subject><subject>Humans</subject><subject>Insectivores</subject><subject>Life Sciences</subject><subject>Locating</subject><subject>macroevolution</subject><subject>Mastication</subject><subject>Morphology</subject><subject>Morphometry</subject><subject>Muscle contraction</subject><subject>Muscles</subject><subject>Parameters</subject><subject>Phylogeny</subject><subject>Populations and Evolution</subject><subject>Prey</subject><subject>Rostrum</subject><subject>Shape</subject><subject>Skull</subject><subject>Skull - anatomy & histology</subject><subject>Sound production</subject><subject>Variation</subject><subject>Vertebrate Zoology</subject><issn>1749-4877</issn><issn>1749-4869</issn><issn>1749-4868</issn><issn>1749-4877</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>EIF</sourceid><recordid>eNqFkb1PwzAQxS0E4ntmQ5ZYYCjYie0kbFUFFKmChQGxWK5zpgE3DnYC4r_HaaBCLHi50-nnd0_3EDqi5JzGd0EzVoxYnmXnNOGCbaDd9WTzV7-D9kJ4IUQQLvg22kkZYRnj2S56vO5q3VauVhZr5z1Y1ULAzuDw2lmLw0I1gKsaTxaVd00LXl1iA1BW9TNWdYlBL5x1WvUaWJWqaVdtOEBbRtkAh991Hz1cXz1MpqPZ_c3tZDwbaRYtjDQXhAmeAwNCWaEFjX4Tqo0BrVkeocIInfJ5BEttyowWJuF5OU-zkkCS7qOzQXahrGx8tVT-UzpVyel4JvsZSVPB0yJ_p5E9HdjGu7cOQiuXVdBgrarBdUEmPGVxf0FERE_-oC-u8_FIkYpuCedCZJG6GCjtXQgezNoBJbLPR_YJyD4Bucon_jj-1u3mSyjX_E8gERAD8FFZ-PxPT97ePSWD8hdbMZkk</recordid><startdate>202205</startdate><enddate>202205</enddate><creator>GIACOMINI, Giada</creator><creator>HERREL, Anthony</creator><creator>CHAVERRI, Gloriana</creator><creator>BROWN, Richard P.</creator><creator>RUSSO, Danilo</creator><creator>SCARAVELLI, Dino</creator><creator>MELORO, Carlo</creator><general>Wiley Subscription Services, Inc</general><general>Wiley</general><scope>24P</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SS</scope><scope>7TN</scope><scope>8FD</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>P64</scope><scope>7X8</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0003-0991-4434</orcidid></search><sort><creationdate>202205</creationdate><title>Functional correlates of skull shape in Chiroptera: feeding and echolocation adaptations</title><author>GIACOMINI, Giada ; HERREL, Anthony ; CHAVERRI, Gloriana ; BROWN, Richard P. ; RUSSO, Danilo ; SCARAVELLI, Dino ; MELORO, Carlo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4474-c5604658e4e0149c6148721cffecc48c449f6c35bc56dcfd719f258db37d0e23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Adaptation</topic><topic>Animal biology</topic><topic>Animals</topic><topic>Biodiversity</topic><topic>Biological Evolution</topic><topic>Chiroptera</topic><topic>Chiroptera - physiology</topic><topic>Diet</topic><topic>Echolocation</topic><topic>Echolocation - physiology</topic><topic>Emissions</topic><topic>Feeding behavior</topic><topic>Feeding habits</topic><topic>functional morphology</topic><topic>geometric morphometrics</topic><topic>Humans</topic><topic>Insectivores</topic><topic>Life Sciences</topic><topic>Locating</topic><topic>macroevolution</topic><topic>Mastication</topic><topic>Morphology</topic><topic>Morphometry</topic><topic>Muscle contraction</topic><topic>Muscles</topic><topic>Parameters</topic><topic>Phylogeny</topic><topic>Populations and Evolution</topic><topic>Prey</topic><topic>Rostrum</topic><topic>Shape</topic><topic>Skull</topic><topic>Skull - anatomy & histology</topic><topic>Sound production</topic><topic>Variation</topic><topic>Vertebrate Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GIACOMINI, Giada</creatorcontrib><creatorcontrib>HERREL, Anthony</creatorcontrib><creatorcontrib>CHAVERRI, Gloriana</creatorcontrib><creatorcontrib>BROWN, Richard P.</creatorcontrib><creatorcontrib>RUSSO, Danilo</creatorcontrib><creatorcontrib>SCARAVELLI, Dino</creatorcontrib><creatorcontrib>MELORO, Carlo</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>ASFA: Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Integrative zoology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>GIACOMINI, Giada</au><au>HERREL, Anthony</au><au>CHAVERRI, Gloriana</au><au>BROWN, Richard P.</au><au>RUSSO, Danilo</au><au>SCARAVELLI, Dino</au><au>MELORO, Carlo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Functional correlates of skull shape in Chiroptera: feeding and echolocation adaptations</atitle><jtitle>Integrative zoology</jtitle><addtitle>Integr Zool</addtitle><date>2022-05</date><risdate>2022</risdate><volume>17</volume><issue>3</issue><spage>430</spage><epage>442</epage><pages>430-442</pages><issn>1749-4877</issn><issn>1749-4869</issn><issn>1749-4868</issn><eissn>1749-4877</eissn><abstract>Morphological, functional, and behavioral adaptations of bats are among the most diverse within mammals. A strong association between bat skull morphology and feeding behavior has been suggested previously. However, morphological variation related to other drivers of adaptation, in particular echolocation, remains understudied. We assessed variation in skull morphology with respect to ecology (diet and emission type) and function (bite force, masticatory muscles and echolocation characteristics) using geometric morphometrics and comparative methods. Our study suggests that variation in skull shape of 10 bat families is the result of adaptations to broad dietary categories and sound emission types (oral or nasal). Skull shape correlates with echolocation parameters only in a subsample of insectivorous species, possibly because they (almost) entirely rely on this sensory system for locating and capturing prey. Insectivores emitting low frequencies are characterized by a ventrally tilted rostrum, a trait not associated with feeding parameters. This result questions the validity of a trade‐off between feeding and echolocation function. Our study advances understanding of the relationship between skull morphology and specific features of echolocation and suggests that evolutionary constraints due to echolocation may differ between different groups within the Chiroptera.
We studied skull size and shape variation in 10 families of bats. Skull size correlated strongly with diet and frequency emission mode. The impact of echolocation on shape was detectable within a subset of insectivorous species questioning trade‐off between feeding and echolocating.</abstract><cop>Australia</cop><pub>Wiley Subscription Services, Inc</pub><pmid>34047457</pmid><doi>10.1111/1749-4877.12564</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0003-0991-4434</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Adaptation Animal biology Animals Biodiversity Biological Evolution Chiroptera Chiroptera - physiology Diet Echolocation Echolocation - physiology Emissions Feeding behavior Feeding habits functional morphology geometric morphometrics Humans Insectivores Life Sciences Locating macroevolution Mastication Morphology Morphometry Muscle contraction Muscles Parameters Phylogeny Populations and Evolution Prey Rostrum Shape Skull Skull - anatomy & histology Sound production Variation Vertebrate Zoology |
| title | Functional correlates of skull shape in Chiroptera: feeding and echolocation adaptations |
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