Bibliografía

http://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Hydrochoeris_hydrochaeris_Zoo_Praha_2011-3.jpg/220px-Hydrochoeris_hydrochaeris_Zoo_Praha_2011-3.jpg
http://en.wikipedia.org/wiki/Capibara
http://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Mor%C4%8De.jpg/250px-Mor%C4%8De.jpg
http://www.faunaiberica.org/img/especies/ardilla-sciurus-vulgaris-01.jpg