Chestnut
Thrush is belonging to the fin deer, and its scientific name is Calonectris leucomelas. The wings are long and narrow, the shorts are short, and the feet are webbed. The tip of the beak is curved, and the nostrils are tubular. The length of the body is 30-70 cm. The chestnut bird flies in a zigzag while tilting its wings and body to the left and right. He walks on the ground as if he can not erect his leg straight. During the breeding season, they live on the islands and coastal waters. The eggs are laid between June and July, and eggs are incubated for 51 to 54 days, and the eggs are incubated for 70 to 90 days. It eats fish and octopus such as sardines, flying fish, gastropods, and seaweed. The chestnut has a brown back, and the sides and neck of the head have white stripes. They dig a tunnel-shaped hole in the earth and reproduce in groups, and only one egg lay. They reproduce in the islands of Ulleungdo, Bukjeju, and Chuza Island in Korea. In Korea, there are three species of red-headed trefoil, red-footed trefoil, and red-necked trefoil, among which the remaining two species are migratory birds.