If it’s deep enough, pigeon species drink by submerging head & bill almost to eye level, using throat muscles to pump water into the digestive tract.
In shallow puddles they still suck, using the beak as a straw.
[Other birds tilt the head & use the trickle down effect]
In shallow puddles they still suck, using the beak as a straw.
[Other birds tilt the head & use the trickle down effect]