When Camels Roamed North America

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  • Published on: 20 November 2018
  • Camels are famous for adaptations that have allowed them to flourish where most other large mammals would perish. But their story begins over 40 million years ago in North America, and in an environment you’d never expect: a rainforest.  

    Special thanks to Julio Lacerda, WillemSvdMerwe, and Ryan Somma for allowing us to use their images in this episode!

    Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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    Katie Fichtner, Aldo Espinosa Zúñiga, Anthony Callaghan, Esmeralda Rupp-Spangle, Gregory Donovan, Ehit Dinesh Agarwal, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Anel Salas, Robert Arévalo, Robert Hill, Kelby Reid, Todd Dittman, Betsy Radley, PS, Colin Sylvester, Philip Slingerland, John Vanek, Jose Garcia, Noah offitzer, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Sapjes, Daisuke Goto, Hubert Rady, Yuntao Zhou, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Ruben Winter, Ron Harvey Jr, Jacob Gerke, Alex Yan

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    References:
    https://www.jstor.org/stable/pdf/1304168.pdf
    https://repository.si.edu/handle/10088/1979
    https://books.google.com/books?id=I-RgojcDyWYC&printsec=frontcover#v=onepage&q=camel&f=false
    https://onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2052.2008.01848.x
    https://www.jstor.org/stable/4524199
    https://books.google.com/books?id=DWtCw6-AxA8C&pg=PA136&lpg=PA136&dq=camel&source=bl&ots=gUrNWj3psO&sig=YpvjEov5zpTUcSbrZFfDkoTrhFo&hl=en&sa=X&ved=2ahUKEwj_5siqvJreAhVMIDQIHSkpCaEQ6AEwC3oECAQQAQ#v=onepage&q=camel&f=false
    https://play.google.com/books/reader?id=NGFaAAAAYAAJ&hl=en&pg=GBS.PA110
    https://www.sciencedirect.com/science/article/pii/003101827990141X
    https://link.springer.com/article/10.1007/s12052-009-0136-1
    https://www.nature.com/articles/ncomms2516.pdf
    https://www.sciencedirect.com/science/article/pii/S0031018210003202
    https://pdfs.semanticscholar.org/966f/07eaaa19190b2a5db86657bfb00764d8c463.pdf#page=76
    http://www.pnas.org/content/pnas/early/2015/03/18/1420650112.full.pdf
    https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=42514&is_real_user=1
  • Runtime : 10:12
  • dinosaurs dinos paleo paleontology scishow eons pbs pbs digital studios hank green john green complexly fossils natural history Australia camels outback Protylopus rainforests artiodactyl Tylopoda camel humps cushion feet hooves Poebrotherium grasslands desert the Camelid Explosion Camelinae Aepycamelus pacing gait Megatylopus Paracamelus Camelus Ellesmere Island padded feet Hemiauchenia llama guanacos vicugna Camelops

COMMENTS: 40

  • PBS Eons
    PBS Eons   9 months ago

    Hey, I want to clarify what we say about bactrian camels around 7:35. There are two different species of bactrians -- the so-called "wild bactrians" (camelus ferus), and "domestic bactrians" (camelus bactrianus). "Domestic bactrians" are descended from a species that is now extinct in the wild, and they are distinct from what we now called "wild bactrians". And the ancestor of domestic bactrians and what we call "wild bactrians" diverged 700,000 years ago, according to DNA evidence. So, they diverged BEFORE camelus bactrianus was ever domesticated. Domestication didn’t CAUSE the speciation, which is how some viewers were hearing what I said. I hope this clears things up. Sorry for the confusion! (BdeP)

  • Kaden Adventures
    Kaden Adventures   3 hours ago

    I’m from Utah. It’s really interesting that camels came from here, when we don’t have them at all today.

  • Machine Gun Mike
    Machine Gun Mike   21 hours ago

    Do a video about adaptive radiation in the Hawaiian Islands please! :)

  • jose juarez
    jose juarez   1 days ago

    What if those llamas and alpacas evolve back to the North American camel if they were brought back over or traveled back to North America

  • danimalplanimal
    danimalplanimal   2 days ago

    hilarious that you use a silouette to explain the pacing gait, since it causes the image to be absolutely useless without the commentary since you can't tell which legs are in front.

  • Quaker Quickoats
    Quaker Quickoats   5 days ago

    wonder if someone asked him to use his hands more while talking,looks rather like he keeps handling some invisible breastery

  • William Wolfcastle
    William Wolfcastle   1 weeks ago

    I believe they were domesticated long before that if I believe they're domesticated long before that if only fossil evidence suggest that they were written across the landmass only accept from America to Europe it would devastated people's knowledge of Humanity starting in the Americas and not in the so-called old continent and if there is evidence they'll just ignore it

  • William Wolfcastle
    William Wolfcastle   1 weeks ago

    English Invaders Australia was already settled then by aboriginals the people of the dream time

  • calypsocoin
    calypsocoin   1 weeks ago

    Was hoping for more about camelops :(

  • Josh Lyons
    Josh Lyons   1 weeks ago

    Really dig how he said " the camelid exploosion" all zazzy lmao made me chuckle

  • Michael P. Angus
    Michael P. Angus   1 weeks ago

    Hit the gear and change playback speed to 0.75. You're welcome.

  • Nikki Garcia
    Nikki Garcia   1 weeks ago

    How sad they didn't survive where their originally from... Us Americans kill and ruin everything... Well I'm glad they At least made it in a place their not even native to....

  • Nikki Garcia
    Nikki Garcia   1 weeks ago

    Wow camels come from the rain forest?? Its amazing how they not only adapted but thrived and multiplied in a place their A. Not even from B. In an environment so completely different then its own managing to adapt and thrive is amazing... Animals are resilient...

  • R L
    R L   1 weeks ago

    In the interest of asking you to do boring topics, let’s do a video on the process of how paint dries :)

  • S
    S   1 months ago

    Time needed for my mind blown: 1:02 😆

  • Patrick Kimbrough
    Patrick Kimbrough   1 months ago

    We talk about weird animals all the time, often extinct species. But camels with their humps are pretty weird, and they're extant.

  • Yux.T N.
    Yux.T N.   1 months ago

    7:55 yeah, the bactrian camels were the ones used in the silk road linking china and central asia

  • Crazy Kansan
    Crazy Kansan   1 months ago

    Love this channel. Does anyone else have issues with Bluetooth headphones and the music in this episode? ( and other videos that have low background music) Until I turned the volume up I thought it was a siren in the background. I’m sure someone knowledgeable about speakers/ videos knows, or can guess? It’s just not something I can figure out.

  • soham das
    soham das   1 months ago

    may i know who does the art for thes vids

  • Seditia Rose
    Seditia Rose   1 months ago

    Lately, I found a fossilized, very small camel- type critter’s lower right jaw. It has 3 intact teeth. The roots and foramin are well preserved. Would like to know what it is. Any suggestions? Still unsure of the species.

  • Alex Contreras
    Alex Contreras   1 months ago

    I thought camels ancestor crossed the strait 3-2 million years ago and they first adapted to the cold icy condition (like the hump which Mammoths also had) which helped them for the deserts

  • Neelistic
    Neelistic   1 months ago

    hahah Mega Ty Lopez is all could think about.

  • Clyde Balcom
    Clyde Balcom   1 months ago

    Camels were here a little more recently, but it was a trial run for the US Army. Look it up!

  • Herm Ask
    Herm Ask   1 months ago

    The cameltoe left its impression on the North American continent,that's for sure. Starting from the San Fernando valley to conquer the world.