{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T23:52:33Z","timestamp":1788997953447,"version":"build-2803163510"},"reference-count":89,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2023,6,28]],"date-time":"2023-06-28T00:00:00Z","timestamp":1687910400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"MUSE\u2013Museum of Science","award":["n. 0251927\/S175\/2022\/17.11.3\/ROE\/el"],"award-info":[{"award-number":["n. 0251927\/S175\/2022\/17.11.3\/ROE\/el"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>Amphibians are considered critical species in the nutrient flow within and across ecosystems, and knowledge on their trophic ecology and niches is crucial for their conservation. For the first time we studied the trophic ecology of the rare and endemic Salamandra atra aurorae in a mixed temperate forest in northern Italy. We aimed to define the realized trophic niche, investigate the prey selectivity and explore possible levels of individual specialization. In summer 2022 we obtained stomach contents from 53 salamanders by stomach flushing and prey availability using pitfall traps. We used the Costello graphical method to analyse the realized trophic niche, and the relativized electivity index to study prey selectivity. Our results show that the Golden Alpine salamander adopts a generalist feeding strategy with positive selection of few prey categories (e.g., Myriapoda, Hymenoptera except Formicidae). Food preference seems to be driven by size, movement ability and chitinization of the prey. A high degree of inter-individual diet variation, modularity and clustering was found, describing a scenario that can be framed in a Distinct Preference model framework. This study gives new insights on the trophic ecology of the Alpine salamander complex, whose subspecies appear to adopt similar feeding strategies.<\/jats:p>","DOI":"10.3390\/ani13132135","type":"journal-article","created":{"date-parts":[[2023,6,29]],"date-time":"2023-06-29T00:49:47Z","timestamp":1687999787000},"page":"2135","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Rare and Hungry: Feeding Ecology of the Golden Alpine Salamander, an Endangered Amphibian in the Alps"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-4245-3581","authenticated-orcid":false,"given":"Emma","family":"Centomo","sequence":"first","affiliation":[{"name":"Ambito Biologia della Conservazione, Ufficio Ricerca e Collezioni, MUSE\u2014Museo delle Scienze, Corso del Lavoro e della Scienza 3, I-38122 Trento, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3225-573X","authenticated-orcid":false,"given":"Luca","family":"Roner","sequence":"additional","affiliation":[{"name":"Ambito Biologia della Conservazione, Ufficio Ricerca e Collezioni, MUSE\u2014Museo delle Scienze, Corso del Lavoro e della Scienza 3, I-38122 Trento, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5491-4797","authenticated-orcid":false,"given":"Marco","family":"Salvatori","sequence":"additional","affiliation":[{"name":"Ambito Biologia della Conservazione, Ufficio Ricerca e Collezioni, MUSE\u2014Museo delle Scienze, Corso del Lavoro e della Scienza 3, I-38122 Trento, Italy"},{"name":"Dipartimento di Biologia, Universit\u00e0 di Firenze, Via Madonna del Piano 6, I-50019 Firenze, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1305-5559","authenticated-orcid":false,"given":"Paolo","family":"Pedrini","sequence":"additional","affiliation":[{"name":"Ambito Biologia della Conservazione, Ufficio Ricerca e Collezioni, MUSE\u2014Museo delle Scienze, Corso del Lavoro e della Scienza 3, I-38122 Trento, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5029-4372","authenticated-orcid":false,"given":"Antonio","family":"Romano","sequence":"additional","affiliation":[{"name":"Ambito Biologia della Conservazione, Ufficio Ricerca e Collezioni, MUSE\u2014Museo delle Scienze, Corso del Lavoro e della Scienza 3, I-38122 Trento, Italy"},{"name":"Consiglio Nazionale delle Ricerche\u2014Istituto per la BioEconomia, Via dei Taurini 19, I-00100 Roma, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,6,28]]},"reference":[{"key":"ref_1","unstructured":"(2023, March 05). 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