No monkeying around here..."Dawn of the Planet of the Apes", was the clear-cut champ in this weekend's box office with an estimated $73 million take in its first week.

Last week's No.1, "Transformers: Age of Extinction", fell to second with $16.5 million, and the Melissa McCarthy comedy "Tammy" came in third with $12.9 million.

The top ten:

"Dawn of the Planet of the Apes," $73 million
"Transformers," $16.5 million
"Tammy," $12.9 million
"22 Jump Street," $6.7 million
"How to Train Your Dragon 2," $5.8 million
"Earth to Echo," $5.5 million
"Deliver Us From Evil," $4.7 million
"Maleficent," $4.1 million
"Begin Again," $2.9 million
"Jersey Boys," $2.5 million

Figures courtesy of Boxofficemojo.com