Duplicate SELECT COUNT queries on row update

I have a very simple model with no relationships, and a controller function that contains the following lines:

$data = array('user_id' => $this->Auth->user('id'));
$this->Card->id = 3;
$this->Card->save($data);

When executed, the following SQL queries are generated:

SELECT COUNT(*) AS `count` FROM `db`.`cards` AS `Card` WHERE `Card`.`id` = 3

SELECT COUNT(*) AS `count` FROM `db`.`cards` AS `Card` WHERE `Card`.`id` = 3

SELECT COUNT(*) AS `count` FROM `db`.`cards` AS `Card` WHERE `Card`.`id` = 3

UPDATE `db`.`cards` SET `user_id` = 1, `modified` = '2013-05-20 15:16:47' WHERE `db`.`cards`.`id` = 3

What is the cause for the duplicate SELECT queries? I have other functions in this controller that don't behave like this. 

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