猿 means monkey and is a JLPT N1 kanji. It has 13 strokes and uses the beast (side form) radical (⺨).
Stroke order · 13 strokes
On'yomi (音読み)
エン
Kun'yomi (訓読み)
さる
Radical
⺨ · beast (side form)
Strokes
13
How to remember 猿
A beast (⺨) with long arms — monkey. 猿 — those three monkeys of Nikko: see no evil, hear no evil, speak no evil! 犬猿の仲 means a relationship like cat and dog!