Hvorfor efterligner nogle edderkopper myrer? Og hvordan snyder giftige frøer og sommerfugle rovdyr kun ved at bruge farver?
Jo, I Amazonas handler overlevelse ikke kun om camouflage – men også om bedrag, og i denne episode dykker vi endnu gang ned i mimicry: Hvordan dyr snyder hinanden i amazonas!
I episoden kan du høre om:
• Edderkopper der ligner myrer for at undgå rovdyr
• Edderkopper der efterligner myrer for at snyde myrer
• Edderkopper der bygger kæmpe falske monsteredderkopper i deres spind
• Giftige pilegiftfrøer og sommerfugle med stærke advarselsfarver
• Sommerfugle der efterligner giftige arter uden selv at være giftige
God fornøjelse!
Billeder af
Zygy, CC0, via Wikimedia Commons
Vis M, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons
Didier Descouens, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons
Vienskabelige kilder
Keith R. Willmott, Julia C. Robinson Willmott, Marianne Elias, Chris D. Jiggins; Maintaining mimicry diversity: optimal warning colour patterns differ among microhabitats in Amazonian clearwing butterflies. Proc Biol Sci 1 May 2017; 284 (1855): 20170744. https://doi.org/10.1098/rspb.2017.0744
Cushing, Paula. (2012). Spider-Ant Associations: An Updated Review of Myrmecomorphy, Myrmecophily, and Myrmecophagy in Spiders. Psyche. 2012. 10.1155/2012/151989.
Bernarde, P. S., Pucca, M. B., Mota-da-Silva, A., da Fonseca, W. L., de Almeida, M. R. N., de Oliveira, I. S., Cerni, F. A., Gobbi Grazziotin, F., Sartim, M. A., Sachett, J., Wen, F. H., Moura-da-Silva, A. M., & Monteiro, W. M. (2021). Bothrops bilineatus: An arboreal pitviper in the Amazon and Atlantic Forest. Frontiers in Immunology, 12, Article 778302.
Andre kilder:
https://doi.org/10.3389/fimmu.2021.778302
https://www.nhm.ac.uk/discover/henry-walter-bates-amazon-butterflies.html
https://worldrainforests.com/0306.htm
https://www.bristol.ac.uk/cabot/news/2025/butterflies.html
https://atmos.earth/ecological-wisdom/aposematism-and-the-beauty-of-awareness/
https://www.worldwildlife.org/species/poison-dart-frog/
https://www.snexplores.org/article/poison-dart-frog-transport-toxins-skin
https://www.rainforest-alliance.org/species/poison-dart-frog/
https://www.pbs.org/wnet/nature/blog/inside-nature-featured-creature-glass-wing-butterfly/
https://andeangreattreks.com/blog/insects-of-the-amazon-rainforest/
https://www.heliconius.org/biology/mimicry/
https://www.rainforestexpeditions.com/deception-in-the-jungle-the-ant-mimicking-spider-aphantochilus-rogersi/
https://www.rainforestexpeditions.com/if-it-looks-like-an-ant-and-smells-like-an-ant-batesian-mimicry-in-the-amazon-jungle/
https://www.livescience.com/animals/spiders/tiny-spiders-that-build-giant-puppet-decoys-from-disembodied-prey-discovered-in-peru-and-philippines
https://en.wikipedia.org/wiki/Batesian_mimicry