The red-necked phalarope, also known as the northern phalarope and hyperborean phalarope, is a small wader.
Body length 16 to 20 cm. Iris brown. Mouth black, slender. Feet grey-black with webbed toes.
The head, cheeks, and back of the breeding female bird are gray-black, with a small white spot above the eye, and the back of the eye is reddish-brown from the side of the neck to the front chest, and there is a yellow-brown longitudinal spot on the back. Chest and abdomen white, thorax and flank gray. The male is similar to the female, but slightly smaller and lighter in color.
The non-breeding feathers have white head, neck, and abdomen, with a thick black spot behind the eyes, gray-brown on the chest and flanks, and gray-black on the back.
This phalarope breeds in the Arctic regions of North America and Eurasia. In winter, they migrate to the Arabian Sea, northern South America, northern Australia, New Guinea, southern China, the Philippines, Taiwan and other places.