{"refrec":{"BRefID":347304,"RR":"<b>Ersoy, S.; Beardsworth, C.E.; Dekinga, A.; van der Meer, M.T.J.; Piersma, T.; Groothuis, T.G.G.; Bijleveld, A.I.</b> (2022). Exploration speed in captivity predicts foraging tactics and diet in free‐living red knots. <i>J. Anim. Ecol. 91(2)</i>: 356-366. <a href=\"https://dx.doi.org/10.1111/1365-2656.13632\" target=\"_blank\">https://dx.doi.org/10.1111/1365-2656.13632</a>","BEntID":343996,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>J. Anim. Ecol. 91(2)</i>: 356-366. <a href=\"https://dx.doi.org/10.1111/1365-2656.13632\" target=\"_blank\">https://dx.doi.org/10.1111/1365-2656.13632</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Ersoy, S.; Beardsworth, C.E.; Dekinga, A.; van der Meer, M.T.J.; Piersma, T.; Groothuis, T.G.G.; Bijleveld, A.I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Ersoy, S. <i>et al.</i>","Englishabstract":"<ol start=\"1\" type=\"1\">    <li>        Variation in foraging tactics and diet are usually attributed to        differences in morphology, experience, and prey availability. Recently,        consistent individual differences in behaviour (personality) have been        shown to be associated with foraging strategies. Bolder or more        exploratory individuals are predicted to have a faster pace-of-life and        offset the costs of moving more or in risky areas, with higher        energetic gains by encountering profitable foraging opportunities and        prey. However, the relationship between personality, foraging, and diet        is poorly understood.    </li>    <li>We investigated how exploratory behaviour in red knots (        <em>Calidris canutus</em>) is associated with foraging tactics and diet        by combining laboratory experiments, field observations, and stable        isotope analysis. First, we developed a mobile experimental arena to        measure exploration speed in controlled settings. We validated the        method by repeated testing of individuals over time and contexts. This        setup allowed us to measure exploratory personality at the field site,        eliminating the need to bring birds into captivity for long periods of        time. After releasing birds within days of their capture, we asked        whether exploration speed was associated with differences in foraging        tactics and diet in the wild.    </li>    <li>        We found that tactile foraging red knots mainly caught hard-shelled        prey that are buried in the sediment, whereas visual foraging knots        only captured soft preys located close to or on the surface. We also        found that faster explorers showed a higher percentage of visual        foraging than slower explorers. By contrast, morphology (bill length        and gizzard size) had no significant effect on foraging tactics. Diet        analysis based on δ15N and δ13C stable isotope values of plasma and red        blood cells confirmed our field observations with slower explorers        mainly consumed hard-shelled prey while faster explorers consumed more        soft than hard-shelled prey.    </li>    <li>        Our results show that foraging tactics and diet are associated with a        personality trait, independent of morphological differences. We discuss        how consistent behaviour might develop early in life through positive        feedbacks between foraging tactics, prey type, and foraging efficiency.    </li></ol>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Exploration speed in captivity predicts foraging tactics and diet in free‐living red knots","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-19 01:32:13.705058","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2022-02-14","DateCreate":"2021-11-15","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000721468500001","VABBcode":null,"OpenAcc":1,"DOI":"10.1111/1365-2656.13632"},"refs":null,"anarec":{"AnaID":347304,"PubliDate":2022,"Pagination":"356-366","XtraPublOfAnaID":null,"ISBN":null,"Volume":"91","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45035,"SerRR":"Journal of Animal Ecology. 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