Editing Perissodactyla (section)

==Reproduction and development==
[[File:Tapirbaby.jpg|thumb|A young [[South American tapir|Brazilian tapir]]]]
Odd-toed ungulates are characterized by a long gestation period and a small litter size, usually delivering a single young. The gestation period is 330–500 days, being longest in rhinos. Newborn perissodactyls are [[Precociality|precocial]], meaning offspring are born already quite independent: for example,<ref>{{Cite book|title=Zookeeping: An Introduction to the Science and Technology|publisher=University of Chicago Press|year=2013|location=Chicago|pages=273}}</ref> young horses can begin to follow the mother after a few hours.<ref>{{Cite web|url=https://equusmagazine.com/management/mare_foal_behavior_121508-8331|title=Understand Normal Mare and Foal Behavior|last=Williams|first=Jennifer|date=15 December 2008|website=equusmagazine.com|archive-url=https://web.archive.org/web/20170513183546/https://equusmagazine.com/management/mare_foal_behavior_121508-8331|archive-date=13 May 2017|access-date=4 February 2019}}</ref> The young are nursed for a relatively long time, often into their second year, with rhinos reaching sexual maturity around eight or ten years old, but horses and tapirs maturing around two to four years old.<ref>{{cite book |last1=Angus |first1=McKinnon |last2=Noah |first2=Heninger |title=Equine Reproduction |date=2011 |publisher=Wiley-Blackwell |isbn=978-0-8138-1971-6 |page=1015 |edition=2nd}}</ref><ref>{{cite web |title=Tapirs (extant/living species; Tapirus spp.) Fact Sheet: Reproduction & Development |url=https://ielc.libguides.com/sdzg/factsheets/tapirs/reproduction |website=International Environment Library Consortium |publisher=San Diego Zoo Wildlife Alliance Library |access-date=12 June 2024}}</ref> Perissodactyls are long-lived, with several species, such as rhinos, reaching an age of almost 50 years in captivity.<ref>Ballenger, Liz; Myers, Phil. "Rhinocerotidae (rhinoceroses)". Animal Diversity Web. Retrieved 2021-03-27."Ballenger, Liz; Myers, Phil. "Rhinocerotidae (rhinoceroses)". Animal Diversity Web. Retrieved 2021-03-27.</ref>