An identification tag applicator comprising: a tag application mechanism; and a label delivery mechanism adapted to deliver a plurality of successive labels to the application mechanism, the delivery mechanism comprising: a delivery member adapted to couple and force the successive labels within the application mechanism; and a label guide (50) adapted to guide the successive labels within the application mechanism under the action of the delivery member (70); wherein the label guide (50) has a first end (52) into which the labels are loaded, a second end (54) from which the labels enter the application mechanism, and an internal guide surface adapted to guide and bending at least a first part of each label in relation to a second part of each label as the label progresses towards the second end of the label guide, wherein the application mechanism comprises a pair of jaws (18, 20) of the applicators that are in the foreground, a manually operated actuator adapted to close the jaws (18, 20) of the applicator, and a first tilt member that tilts the actuator to a position where the jaws (18, 20) of the applicator open, wherein the delivery member comprises a solid ratchet (70) slidably supported on an axis (78) and inclined towards the jaws (18, 20) of the applicator by a second member (82) of inclination, characterized in that the actuator includes a cam (90) adapted to force the delivery member (70) away from the jaws (18, 20) of the applicator against the force of the second inclination member (82), and where the cam (90) is elongated and has a first end (92) attached to the actuator and a second end (94) remote from the actuator and adapted to act on the delivery member (70), and the cam has a first surface ( 96) of cam next to the first end of the cam, and a second cam surface (98) close to the second end of the cam, where the cam operates in a cam plane (Y), the first cam surface is located at a first angle in relation to the cam plane, and the second cam surfac