The first sight of bird in 2014 by Bikeco Bill in Srimangal upazila of Moulvibazar. Earlier, we saw the duck in Guernape's Courtroom Waterfowl Park in Canada. Their original residence was found in Buckingham, England in February of 017 in a lake, quite closely. I have also taken pictures. But they could not take pictures of Baikkaar Bill, Tanguar haor or Rajshahi from Padma-Kotha. On February 23 this year, I saw Tanguar Haor again. There are also photos.
The name of the bird is Lalmuri Duck. It is a rare migraine. English name is common or Northern poscard. Scientific name Aythya ferina
The duck is 42-49 cm in length. Weighing 240 grams There is a difference between duck and hamster feather color. That's the way to recognize them. During breeding, dummy head and neck and neck are copper. The back, the wing surface and the stomach are white-gray. The chest, waist and tails on top and bottom black. Long gray lip black on the black Eyes red Legs, feet and nails bluish-gray Other than reproduction, pigeon-back brown-gray, chestnut-black, and blacksmith-brown.
And the color of the hockey is gray; Its chest and gorgeous cinnamon or copper-brown The face and the eyeline pale. The leaves and feet are orange-yellow.
In winter, they are moving in different haor and bills of this country in small, big or other duck mixed groups. Aquatic plants, buds, insects, snails-goggles, frogs, small fishes etc, by swimming and diving in the water. Dhama in the lower voice, 'His-hers ...' and dhaki in a loud voice call 'Kar-Karo' ....
Their breeding season from April to May During this time, the main residence made the house with the breast feather in the southern part of Europe, Central Asia and Siberia, spreading the long grass and rivulets in the tube. Lay eggs of 6 to 14 eggs in olive color. Dry alone. Between 24 and 28 days the eggs are child's. They live seven to eight years.