: Constant chirping and courtship songs can signal to a pair that the environment is safe and resource-rich enough for reproduction.
: Look for mutual preening, beak-tapping (similar to "kissing"), and males regurgitating food for the female. : Constant chirping and courtship songs can signal
: Gaze-pinning (rapidly shrinking pupils) indicates intense excitement or focus. beak-tapping (similar to "kissing")