http://www.animalsanimals.com/results.asp?image=MAM%20170FOM003%2002

https://www.flickr.com/photos/40928097@N07/28246847268

https://www.inaturalist.org/observations/3940732

https://www.imgrumweb.com/hashtag/Erethizontidae

https://www.inaturalist.org/observations/2459416

https://www.flickr.com/photos/120365832@N02/33945850890/

http://bdi.conabio.gob.mx/fotoweb/archives/5008-Mam%C3%ADferos/Animales/Vertebrados/Mam%C3%ADferos/VHL0123%20Coendou%20mexicanus.jpg.info

https://es.noticias.yahoo.com/curiosidades-los-puercoespines-201812376.html