From MinuteEarth.

Help us make well-researched science videos at https://patreon.com/MinuteEarth

We want to tell important stories about our natural world, but some ideas that seem great initially end up being way too big to cover in a short video.

LEARN MORE
**************
To learn more about this topic, start your googling with these keywords:
– Species concept: A methodology for determining whether two organisms are members of the same species.
– Speciation: The evolutionary process by which new species arise.
– Polyploid speciation: Speciation that occurs due to a change in the number of chromosomes.
– Allopatric speciation: Speciation that occurs due to geographic isolation.

SUPPORT MINUTEEARTH
**************************
If you like what we do, you can help us!:
– Become our patron: https://patreon.com/MinuteEarth
– Our merch: http://dftba.com/minuteearth
– Our book: https://minuteearth.com/books
– Sign up to our newsletter: http://news.minuteearth.com
– Share this video with your friends and family
– Leave us a comment (we read them!)

CREDITS
*********
David Goldenberg | Script Writer, Narrator and Director
Lizah van der Aart | Storyboard Artist
Sarah Berman | Illustration, Video Editing and Animation
Nathaniel Schroeder | Music

MinuteEarth is produced by Neptune Studios LLC
https://neptunestudios.info

OUR STAFF
************
Lizah van der Aart • Sarah Berman • Cameron Duke
Arcadi Garcia i Rius • David Goldenberg • Melissa Hayes
Alex Reich • Henry Reich • Peter Reich
Ever Salazar • Leonardo Souza • Kate Yoshida

OUR LINKS
************
Youtube | https://youtube.com/MinuteEarth
TikTok | https://tiktok.com/@minuteearth
Twitter | https://twitter.com/MinuteEarth
Instagram | https://instagram.com/minute_earth
Facebook | https://facebook.com/Minuteearth
Website | https://minuteearth.com
Apple Podcasts| https://podcasts.apple.com/us/podcast/minuteearth/id649211176

REFERENCES
**************
Stankowski, S., & Ravinet, M. (2021). Quantifying the use of species concepts. Current biology : CB, 31(9), R428–R429. https://doi.org/10.1016/j.cub.2021.03.060

K. de Queiroz (2005), Ernst Mayr and the modern concept of species, Proc. Natl. Acad. Sci. U.S.A. 102 (suppl_1) 6600-6607. https://doi.org/10.1073/pnas.0502030102

Shu-Jin Luo, Warren E. Johnson, James L. David Smith, Stephen J. O’Brien (2010). Chapter 3 – What Is a Tiger? Genetics and Phylogeography, Editor(s): Ronald Tilson, Philip J. Nyhus, In Noyes Series in Animal Behavior, Ecology, Conservation, and Management, Tigers of the World (Second Edition), William Andrew Publishing, Pages 35-51. https://doi.org/10.1016/B978-0-8155-1570-8.00003-7

National Academies of Sciences, Medicine, Division on Earth, Life Studies, Board on Life Sciences, Committee on Assessing the Taxonomic Status of the Red Wolf, & the Mexican Gray Wolf. (2019). Evaluating the taxonomic status of the Mexican gray wolf and the red wolf. National Academies Press. https://books.google.cl/books?id=br2YDwAAQBAJ

Rothfels, C. J., & Otto, S. P. (2016). Polyploid speciation. https://escholarship.org/content/qt0s7998kv/qt0s7998kv.pdf