1, the most basic way to distinguish between the warble mouth and the white stripe is to judge from the mouth shape, the warble mouth and the name of the same, obviously upward, the gap between the mouth and the body is almost a straight line, the mouth of the white stripe is more normal, slightly tilted, but the angle of tilt is very small.

2, the body shape of the warble mouth is and not and the back is relatively straight, the head is upward cocked, the abdomen is relatively flat, the tail has a fork, the upper fork is larger than the lower side. The body of the white stripe is more slender, the back is close to straight, there is no bulge, the tail is translucent gray.

3, the longest white only about 30 centimeters, the longest warbler has more than a meter, warbler in the fishing are in the middle of the position of the immobile head and tail position quickly swing. Generally, regular anglers can distinguish the difference between the white and the warble at a glance, and the best part of the mouth to recognize the location of the mouth, the mouth of the warble is very obvious.