This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 動物 哺乳動物 サル ゴリラ
Source: http://commons.wikimedia.org/wiki/File:Chimpanzee_%28PSF%29.jpg This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. オフ 動物 哺乳動物 グレースケール チンパンジー
orangutan wood cut illustration from 1923 "ABC Book" by C.B. Falls (LCCN: 23002228); http://openlibrary.org/b/OL13440008M オランウータン サル 霊長類 オランウータン木材カット
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 動物 哺乳動物 サル マンドリル
