7 Species With Big Sex Issues

You've heard of the battle of the sexes—but these 7 animal species take it pretty seriously. Join Michael Aranda for a new episode of SciShow and learn about these animals with pretty big sex-related disputes.

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Elephant Seals and Cichlids:
https://www.sciencedirect.com/science...
http://cetus.ucsd.edu/sio133/PDF/Sexu...
https://link.springer.com/article/10....
https://blogs.scientificamerican.com/...
https://www.jstor.org/stable/4533425?...
http://behav.zoology.unibe.ch/sysuif/...
https://link.springer.com/article/10....
Moas:
https://www.nature.com/articles/natur...
https://royalsocietypublishing.org/do...
Blue and Great Tits:
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://royalsocietypublishing.org/do...
https://www.nature.com/articles/362537a0
Orchids:
http://www.indefenseofplants.com/blog...
https://www.researchgate.net/publicat...
https://www.sciencedirect.com/science...
https://esajournals.onlinelibrary.wil...
https://www.scielo.sa.cr/pdf/lankeste...
Sticklebacks:
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://life.bio.sunysb.edu/ee/bellla...
Rusty Tussock Moths:
http://entnemdept.ufl.edu/creatures/u...
https://www.researchgate.net/publicat...
https://link.springer.com/chapter/10....
https://en.wikipedia.org/wiki/Orgyia_...
Spoon Worms:
https://www.jstor.org/stable/3548792?...
https://link.springer.com/chapter/10....
https://animalfactsbit.blogspot.com/2...
https://www.earthtouchnews.com/natura...
Image Sources:
   • Male Elephant Seals Fight  
https://commons.wikimedia.org/wiki/Fi...
https://en.wikipedia.org/wiki/Sexual_...
https://en.wikipedia.org/wiki/File:Pa...
https://en.wikipedia.org/wiki/File:Gr...
https://en.wikipedia.org/wiki/File:Pa...
https://commons.wikimedia.org/wiki/Ca...
https://commons.wikimedia.org/wiki/Ca...
https://en.wikipedia.org/wiki/File:Ma...
   • Catasetum pileatum,  antenna B  
https://www.flickr.com/photos/uwnews/...
   • Nesting stickleback dad - tending and...  
https://en.wikipedia.org/wiki/Orgyia_...
https://en.wikipedia.org/wiki/Orgyia_...
https://commons.wikimedia.org/wiki/Or...
https://commons.wikimedia.org/wiki/Fi...
https://en.wikipedia.org/wiki/File:Bo...
https://commons.wikimedia.org/wiki/Fi...