Uploaded July 2022 | Updated September 2026, 5 hours ago

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Lizards are reptiles with four legs...usually. Reptiles without legs are snakes...a lot of the time. And amphisbaenians mostly don't have legs, except when they do...but they're definitely not snakes.

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Sources:
science.org/doi/10.1126/science.1230318
nature.com/articles/news.2011.498
en.wikipedia.org/wiki/Global_biodiversity#cite_note-col2018-5
royalsocietypublishing.org/doi/10.1098/rspb.2014.3034
iucnredlist.org/species/63723/12710548
biographic.com/bipes-arent-coming-for-you
en.wikipedia.org/wiki/The_Californias
bmcecolevol.biomedcentral.com/articles/10.1186/s12862-018-1303-1
wired.com/2014/12/absurd-creature-of-the-week-mexican-mole-lizard
wired.com/2014/12/absurd-creature-of-the-week-mexican-mole-lizard
https://userweb.ucs.louisiana.edu/~brm2286/locomotn.htm
jstor.org/stable/1445785
academic.oup.com/icb/article/60/1/156/5818495?login=false
royalsocietypublishing.org/doi/10.1098/rspb.2014.3034
wired.com/2014/12/absurd-creature-of-the-week-mexican-mole-lizard
animaldiversity.org/accounts/Bipes_biporus/#01856F7D-C664-11E6-97BD-A820662394EA
onlinelibrary.wiley.com/doi/abs/10.1002/jez.1402010204
onlinelibrary.wiley.com/doi/10.1002/jez.1401790103
pnas.org/doi/10.1073/pnas.69.9.2714
sciencedirect.com/topics/medicine-and-dentistry/secondary-tympanic-membrane

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Images:
youtube.com/watch?v=iGCIqj0SlEs
tinyurl.com/5axxbjd4
tinyurl.com/5c496pbr
tinyurl.com/njdyksw7
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besjournals.onlinelibrary.wiley.com/doi/10.1111/1365-2656.12337
tinyurl.com/utndaekv
tinyurl.com/2p9m26uf
tinyurl.com/4nstvpmy
tinyurl.com/2c9fszer
biographic.com/bipes-arent-coming-for-you
tinyurl.com/mre72dsw
tinyurl.com/bderx3jc
tinyurl.com/3m2ttm5e
tinyurl.com/56w385rm
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tinyurl.com/5amkcy7b
commons.wikimedia.org/wiki/File:Bipes_biporus.jpg
tinyurl.com/5n6utw6r
instagram.com/p/COjZ8-qglLl
tinyurl.com/2cm8e89y
tinyurl.com/4hdmasc7
bmcecolevol.biomedcentral.com/articles/10.1186/s12862-018-1303-1
cell.com/current-biology/fulltext/S0960-9822(20)31763-2
tinyurl.com/bdcp33vt
tinyurl.com/efw9289e
tinyurl.com/mpm483rb
tinyurl.com/2s3kt3jw
tinyurl.com/59vpketz
instagram.com/p/v7LlLZzc1H
youtu.be/zHXZfF-YmU4