Editing Snake (section)

===Size===
The now [[Extinction|extinct]] ''[[Titanoboa|Titanoboa cerrejonensis]]'' was {{convert|12.8|m|ft|abbr=on}} in length.<ref name="head">{{cite journal |vauthors=Head JJ, Bloch JI, Hastings AK, Bourque JR, Cadena EA, Herrera FA, Polly PD, Jaramillo CA |display-authors=6 |title=Giant boid snake from the Palaeocene neotropics reveals hotter past equatorial temperatures |journal=[[Nature (journal)|Nature]] |volume=457 |issue=7230 |pages=715–7 |date=February 2009 |pmid=19194448 |doi=10.1038/nature07671 |bibcode=2009Natur.457..715H |s2cid=4381423}}</ref> By comparison, the largest [[Extant taxon|extant]] snakes are the [[reticulated python]], measuring about {{convert|6.95|m|abbr=on}} long,<ref name="SunBear"/> and the [[green anaconda]], which measures about {{convert|5.21|m|abbr=on}} long and is considered the heaviest snake on Earth at {{convert|97.5|kg|lb|abbr=on}}.<ref name="Riv00">{{cite thesis |last=Rivas |first=Jesús Antonio |name-list-style=vanc |year=2000 |title=The life history of the green anaconda (''Eunectes murinus''), with emphasis on its reproductive Biology |degree=[[Doctor of Philosophy|Ph.D.]] |publisher=[[University of Tennessee]] |url=http://www.anacondas.org/diss/disser.pdf |url-status=dead |archive-url=https://web.archive.org/web/20160303202240/http://www.anacondas.org/diss/disser.pdf |archive-date=March 3, 2016 |access-date=December 12, 2014}}</ref>

At the other end of the scale, the smallest extant snake is ''[[Barbados threadsnake|Leptotyphlops carlae]]'', with a length of about {{convert|10.4|cm|in|abbr=on}}.<ref name="zootaxa">{{cite journal |url=http://www.mapress.com/zootaxa/2008/f/zt01841p030.pdf |title=At the lower size limit in snakes: two new species of threadsnakes (Squamata: Leptotyphlopidae: Leptotyphlops) from the Lesser Antilles |first=S. Blair |last=Hedges |name-list-style=vanc |journal=[[Zootaxa]] |volume=1841 |pages=1–30 |date=August 4, 2008 |access-date=August 4, 2008 |url-status=live |archive-url=https://web.archive.org/web/20080813023833/http://www.mapress.com/zootaxa/2008/f/zt01841p030.pdf |archive-date=August 13, 2008 |doi=10.11646/zootaxa.1841.1.1 |doi-access=free}}</ref> Most snakes are fairly small animals, approximately {{convert|1|m|ft|abbr=on}} in length.<ref>{{cite journal |vauthors=Boback SM, Guyer C |title=Empirical evidence for an optimal body size in snakes |journal=Evolution; International Journal of Organic Evolution |volume=57 |issue=2 |pages=345–51 |date=February 2003 |pmid=12683530 |doi=10.1554/0014-3820(2003)057[0345:EEFAOB]2.0.CO;2 |s2cid=198156987}}</ref>