1) Animal order 2) Order gaviiformes 
Gaviiformes is an order of aquatic birds containing the loons or divers and their closest extinct relatives. Modern gaviiformes are found in many parts of North America and northern Eurasia (Europe, Asia and debatably Africa), though prehistoric species were more widespread. ==Classification and evolution== There are five living species, and all a...
(from the article `bird`) ...brown (emus) or blackish with brightly coloured wattles and skin on head (cassowaries); aftershaft very large; length 102–190 cm (40–75 ...
[n] - large aquatic birds: loons and some extinct forms
order Gaviiformes noun large aquatic birds: loons and some extinct forms