Cringlebird

Cringlebirds, also known as cringles, are a family of migratory seabirds found all along the boreal coast of the northern plane and the austral coast of the southern plane. All have greyish to white plumage, forked tails, and long hooked beaks. The males have a bright blue pouch on their necks which they use when attracting a mate. Their wings are long and pointed and extend up to 9 feet.
Able to fly for weeks on end, cringlebirds hunt for surface dwelling seafood by day and can half-sleep during the night while still aloft. Their migration takes them from the shores of the Headlands where they spend Spring, Summer, and Sunfall, to the southern plane where they spend the seasons of Autumn, Winter, and Hibern.
Cringlebirds are monogamous and typically lay two eggs a year, one in their northern nesting ground in Spring, and again in their southern nesting ground in Autumn. Cringlebirds will usually return to their same nests year after year. Cringlebird eggs hatch after two weeks and offspring take approximately six weeks to reach flight maturity. Cringlebirds reach sexual maturity at approximately two years of age.