Editing Spring peeper (section)

== Description ==
The spring peeper is a tan, grey,<ref>{{Cite journal |last=Parris |first=Kirsten M. |date=2002-11-01 |title=More bang for your buck: the effect of caller position, habitat and chorus noise on the efficiency of calling in the spring peeper |url=https://linkinghub.elsevier.com/retrieve/pii/S0304380002001709 |journal=Ecological Modelling |volume=156 |issue=2 |pages=213–224 |doi=10.1016/S0304-3800(02)00170-9 |issn=0304-3800|url-access=subscription }}</ref> or brown frog with a dark cross on its [[dorsum (biology)|dorsa]] (thus the Latin name ''crucifer'', meaning cross-bearer<ref>{{Cite web |title=Crucifer &#124; Search Online Etymology Dictionary |url=http://www.etymonline.com/index.php?search=crucifer&searchmode=none}}</ref>), though sometimes the marking may be indistinct.<ref name="NG">{{cite web |title=Spring Peeper Profile |url=http://animals.nationalgeographic.com/animals/amphibians/spring-peeper.html |archive-url=https://web.archive.org/web/20070614110143/http://animals.nationalgeographic.com/animals/amphibians/spring-peeper.html |url-status=dead |archive-date=June 14, 2007 |access-date=2009-11-15 |publisher=[[National Geographic Society]]}}</ref><ref name="HN">{{cite web |last=LeClere |first=Jeff |title=Spring Peeper – ''Pseudacris crucifer'' |url=http://www.herpnet.net/Iowa-Herpetology/index.php?option=com_content&task=view&id=30&Itemid=26 |access-date=2009-11-15 |publisher=HerpNet}}</ref> Dark lines can also be found between the eyes and in a crossband on the hindlimbs of ''P. crucifer''.<ref name=":0">{{Cite book |last=Powell |first=Robert |title=Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America |publisher=Houghton Mifflin Harcourt |year=2016 |edition=4th |page=140}}</ref> It has a body length between less than {{convert|25|mm|abbr=on}} to {{convert|38|mm|abbr=on}}<ref name="HN" /> and a mass between {{convert|3|and|5|g|abbr=on}}.<ref name="NG" />

Unlike some other ''Pseudacris'' species, ''P. crucifer'' does not have white lines on its lips, but its lips may be lighter than its head.<ref name=":0" />