The darters, anhingas, or snakebirds are mainly tropical waterbirds in the family Anhingidae, which contains a single genus, Anhinga. There are four living species found in the Americas, Africa, Asia
Anhingarufa 1
Female anhinga (A. anhinga) taking off
Australasian darter drying its wings
Female Australasian darter, Anhinga novaehollandiae, drying its wings
The order Suliformes is an order of birds that includes gannets, boobies, frigatebirds, cormorants and darters. The order is recognised by the International Ornithologist's Union. Regarding the recent
Darter
…relatives of the storks than of the Sulae. Hence, the Sulae and the frigatebirds – and some prehistoric relatives – are increasingly separated as the Suliformes, which is sometimes dubbed "Phalacrocoraciformes". There are four living species of darters recognized, all in the genus Anhinga, although the Old World…
Northern Gannet 2006 2
Bones of the left foot of Fregata aquila showing pectinate edge to mid claw, a characteristic of the Suliformes.