{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T09:04:47Z","timestamp":1784883887425,"version":"3.55.0"},"reference-count":46,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,3,2]],"date-time":"2025-03-02T00:00:00Z","timestamp":1740873600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,3,2]],"date-time":"2025-03-02T00:00:00Z","timestamp":1740873600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100007567","name":"City University of Hong Kong","doi-asserted-by":"publisher","award":["7020042"],"award-info":[{"award-number":["7020042"]}],"id":[{"id":"10.13039\/100007567","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000854","name":"Human Frontier Science Program","doi-asserted-by":"publisher","award":["RGP0010\u20102020"],"award-info":[{"award-number":["RGP0010\u20102020"]}],"id":[{"id":"10.13039\/501100000854","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["DBI\u20102209144"],"award-info":[{"award-number":["DBI\u20102209144"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001839","name":"University Grants Committee","doi-asserted-by":"publisher","award":["CityU11102022"],"award-info":[{"award-number":["CityU11102022"]}],"id":[{"id":"10.13039\/501100001839","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001839","name":"University Grants Committee","doi-asserted-by":"publisher","award":["F\u2010CityU103\/21"],"award-info":[{"award-number":["F\u2010CityU103\/21"]}],"id":[{"id":"10.13039\/501100001839","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001839","name":"University Grants Committee","doi-asserted-by":"publisher","award":["G\u2010CityU103\/22"],"award-info":[{"award-number":["G\u2010CityU103\/22"]}],"id":[{"id":"10.13039\/501100001839","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["anatomypubs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Anatomical Record"],"published-print":{"date-parts":[[2026,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Prokinesis\u2014in which a craniofacial joint allows the rostrum to move relative to the braincase\u2014is thought to confer diverse advantages in birds, mostly for feeding. A craniofacial joint would, however, be a weak link if cranial stability is important. Paradoxically, we have identified a craniofacial joint in helmeted hornbills (\n                    <jats:italic>Rhinoplax vigil<\/jats:italic>\n                    ), birds known for violent head\u2010butting behavior. To understand how the helmeted hornbill balances the competing demands of kinesis and collision, we combine manual craniofacial joint manipulation, skull micro\u2010computed tomography (\u03bcCT) and articular raycasting, also comparing our data with \u03bcCT scans of 10 closely\u2010related species that do not aggressively head\u2010butt. The helmeted hornbill boasts a particularly massive casque, a distinctive upper mandible protrusion fronting the braincase; the craniofacial joint is immediately caudal to this, a standard prokinetic hinge joint position, at the dorsal border of braincase and upper mandible. However, whereas the craniofacial joint in all bucerotiform bird species we examined was only a slender bridge, the helmeted hornbill's joint is exceptionally reinforced. Raycasting analyses revealed high correspondence between the extremely broad joint facets, with reciprocal topographies of braincase and casque fitting like complex puzzle pieces. The result is a joint with a single degree of freedom and limited range of motion, increasing the gape when elevated, but conversely stable when depressed. With the dense network of bony trabeculae in the casque also funneling back to this joint, we infer that the damaging effects of high cranial impact are mitigated, not by dissipating impact energy, but\u00a0through a skull architecture with a prodigious safety factor.\n                  <\/jats:p>","DOI":"10.1002\/ar.25613","type":"journal-article","created":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T05:36:13Z","timestamp":1741757773000},"page":"1299-1312","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Helmeted hornbill cranial kinesis: Balancing mobility and stability in a high\u2010impact joint"],"prefix":"10.1002","volume":"309","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0247-9206","authenticated-orcid":false,"given":"Mike","family":"Schindler","sequence":"first","affiliation":[{"name":"Department of Infectious Diseases and Public Health City University of Hong Kong  Kowloon Tong Kowloon Hong\u00a0Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2114-2668","authenticated-orcid":false,"given":"Benjamin","family":"Flaum","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases and Public Health City University of Hong Kong  Kowloon Tong Kowloon Hong\u00a0Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5388-7942","authenticated-orcid":false,"given":"Armita Razieh","family":"Manafzadeh","sequence":"additional","affiliation":[{"name":"Yale Institute for Biospheric Studies Yale University  New Haven Connecticut USA"},{"name":"Department of Earth and Planetary Sciences Yale University  New Haven Connecticut USA"},{"name":"Yale Peabody Museum of Natural History  New Haven Connecticut USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Viktoriia","family":"Kamska","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases and Public Health City University of Hong Kong  Kowloon Tong Kowloon Hong\u00a0Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1146-4997","authenticated-orcid":false,"given":"Kanmani","family":"Chandra Rajan","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases and Public Health City University of Hong Kong  Kowloon Tong Kowloon Hong\u00a0Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7559-411X","authenticated-orcid":false,"given":"Maria Jose","family":"Robles Malagamba","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases and Public Health City University of Hong Kong  Kowloon Tong Kowloon Hong\u00a0Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1673-6245","authenticated-orcid":false,"given":"Ruien","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Industrial and Systems Engineering Hong Kong Polytechnic University  Hung Hom Kowloon Hong\u00a0Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1550-7245","authenticated-orcid":false,"given":"Daniel","family":"Baum","sequence":"additional","affiliation":[{"name":"Department of Visual and Data\u2010centric Computing Zuse Institute Berlin  Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5026-6216","authenticated-orcid":false,"given":"Mason N.","family":"Dean","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases and Public Health City University of Hong Kong  Kowloon Tong Kowloon Hong\u00a0Kong"},{"name":"Centre for Nature\u2010Inspired Engineering City University of Hong Kong  Kowloon Tong Kowloon Hong\u00a0Kong"},{"name":"Department of Biomaterials Max Planck Institute of Colloids and Interfaces  Potsdam Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,3,2]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tins.2023.08.004"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/jnr.24920"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/joa.12562"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0229633"},{"key":"e_1_2_8_6_1","first-page":"1","volume-title":"Handbook of avian anatomy: Nomina Anatomica avium","author":"Baumel 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R.","year":"2022","journal-title":"Animal Conservation"},{"issue":"2","key":"e_1_2_8_19_1","first-page":"235","article-title":"Biomechanics of the skull and the bill in Ramphastos (Ramphastidae, Aves). II. Analysis of the conditions of movement of the bill","volume":"130","author":"H\u00f6fling E.","year":"1984","journal-title":"Gegenbaurs Morphologisches Jahrbuch"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cub.2015.06.061"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1253451"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9290(90)90059-C"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmbbm.2018.05.001"},{"key":"e_1_2_8_24_1","first-page":"436","volume-title":"Handbook of the birds of the world: Mousebirds to hornbills","author":"Kemp A. 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