This bird is a rare migratory bird in our country, it is very clever, very handsome in the hiding, it is difficult to see the eye due to the viscous and shy nature. However, with the sweet and tired voices of the word, they stopped at the sound of the words 'Chirch chir chir, chik chuk, Chak Chak'. And since their grasslands, bushes, sugarcane, barks, barks, etc., it is very difficult to take pictures. They want to keep themselves behind the silence, because of their nature. In this way, this wee bit of bird can fly like grass or tube or cane, as well as jump over it. From the top down can jump on the prey. At this time, the tails of their tail are very handy. The fan always keeps dancing around and all over the face.
Bird's name black eyebrows tikara. In the Sundarbans-adjacent villages, their name is Choratuni. The English name Black-Brued Reid Wireblare. The scientific name Acrocephalus bistrigiceps. Length 13 centimeters. The migratory bird is seen in the south-western Bangladesh including the Sundarban region and in the greater Chittagong-Sylhet bushes-grassing areas.
The palm-neck-back of the head is reddish or olive-brown, wing-edge blacksmith, throat-stomach and tail-stroke white. However there is a buffer bone on both sides of the chest and abdomen, a tone whistle over the eyes. The frame that has gone over it should be drawn through the Kajal. That is, black. Lip gray, feet black The top nozzle of the tail is black. Their main food is various insects and pests.