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Dyr i Detaljen

#77 Kan hajer lugte én dråbe blod i havet? - Sådan lugter dyr verden!

15 Nov 2025

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Du har sikkert hørt, at hajer kan lugte en enkelt dråbe blod på kilometers afstand… men vidste du, at det faktisk er en myte? 🦈❌Og det er langt fra den eneste misforståelse, vi mennesker har om dyrs næser!I denne episode dykker vi ned i dyrenes forunderlige duftunivers — fra hajer i havet, til rotter der kan dufte sygdomme, elefanter der kan huske en lugt i 12 år, og fugle der finder vej med næsen. Vi slutter af med at kigge indad, for menneskers næse er måske bedre end du tror! 👃✨For hvordan bruger dyr egentlig duft til at overleve?Få svaret i denne episode, hvor du kan høre om:Hajer der ikke kan lugte blod så langt som du tror?Hunde med ekstrem duftesans, der kan opsnuse alt fra spor til sprængstofferRotter, der kan dufte sygdomme som tuberkuloseElefanter, der navigerer verden gennem dufteFugle, der finder vej og mad via dufte fra naturenTræer, der udnytter fuglenes duftesansMennesker, der måske slet ikke er så dårlige til at dufte, som vi går og trorBilleder afCricetomys gambianus as a pet. by Louisvarley, CC BY-SA 4.0 , via Wikimedia CommonsApsilia, our cricetomys gambianus (giant poutched rat) by Laëtitia Dudous, CC BY-SA 3.0 , via Wikimedia CommonsVidenskabelige artikler • Plotnik, J.M., Brubaker, D.L., Dale, R., Tiller, L.N., Mumby, H.S., & Clayton, N.S. (2019). Elephants have a nose for quantity. Proc. Natl. 116(25). https://doi.org/10.1073/pnas.1818284116• Hoerner, F., Lawrenz, A., Oerke, A.K., Müller, D.W.H., Azogu‑Sepe, I., Roller, M., Damerau, K., & Preisfeld, A. (2023). Long-Term Olfactory Memory in African Elephants. Animals, 13(4), 679. https://doi.org/10.3390/ani13040679• von Dürckheim, K.E.M., Hoffman, L.C., Leslie, A., Hensman, M.C., Hensman, S., Schultz, K., & Lee, S. (2018). African elephants (Loxodonta africana) display remarkable olfactory acuity in human scent matching to sample performance. Applied Animal Behaviour Science, 200, 123–129. https://doi.org/10.1016/j.applanim.2017.12.004• Gagliardo, A. (2013). Forty years of olfactory navigation in birds. Journal of Experimental Biology, 216(12), 2165–2171. https://doi.org/10.1242/jeb.070250• Amo, L., & Saavedra, I. (2021). Attraction to smelly food in birds… Biology, 10(10), 1010. https://doi.org/10.3390/biology10101010• Nevitt, G.A., Losekoot, M., & Weimerskirch, H. (2008). Evidence for olfactory search in wandering albatross. Proc. Natl. Acad. Sci. USA, 105(12), 4576–4581. https://doi.org/10.1073/pnas.0709047105• Mgode, G.F., Weetjens, B.J., Nawrath, T., Cox, C., Jubitana, M., Machang'u, R.S., Cohen‑Bacrie, S., Bedotto, M., Drancourt, M., Schulz, S., & Kaufmann, S.H.E. (2012). Diagnosis of Tuberculosis by Trained African Giant Pouched Rats… https://doi.org/10.1128/jcm.01199-11John P McGann, 2017,  Poor Human Olfaction is a Nineteenth Century Myth, DOI: https://doi.org/10.1126/science.aam7263Andre kilderhttps://www.smithsonianmag.com/science-nature/you-actually-smell-better-dog-180963391/https://www.science.org/content/article/elephant-trunk-s-stunning-microscopic-musculature-may-explain-its-dexterityhttps://www.pbs.org/wgbh/nova/article/elephants-smell-quantity/https://www.livescience.com/32235-can-snakes-smell-anything.htmlhttps://www.floridamuseum.ufl.edu/shark-attacks/yearly-worldwide-summary/https://www.smithsonianmag.com/smithsonian-institution/turkey-vultures-have-keen-sense-smell-and-now-we-know-why-180967599/https://www.sciencefocus.com/the-human-body/how-do-sharks-smell-blood-underwater?utmhttps://www.independent.co.uk/climate-change/news/how-the-unflappable-albatross-can-travel-10-000-miles-in-a-single-journey-8945618.htmlhttps://animalia.bio/wandering-albatrosshttps://lex.dk/lugtenerven

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