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Tropicbirds are a family, Phaethontidae, of tropical pelagic seabirds.They are the sole living representatives of the order Phaethontiformes.For many years they were considered part of the Pelecaniformes, but genetics indicates they are most closely related to the Eurypygiformes.
The Phaethontiformes / ˌ f eɪ. ɪ ˈ θ ɒ n t ɪ f ɔːr m iː z / are an order of birds. They contain one extant family, the tropicbirds (Phaethontidae), and one extinct family Prophaethontidae from the early Cenozoic. Several fossil genera have been described, with well-preserved fossils known as early as the Paleocene. [2]
Palaeognathae (/ ˌ p æ l i ˈ ɒ ɡ n ə θ i /; from Ancient Greek παλαιός (palaiós) 'old' and γνάθος (gnáthos) 'jaw') is an infraclass of birds, called paleognaths or palaeognaths, within the class Aves of the clade Archosauria.
Passerea is a clade of neoavian birds that was proposed by Jarvis et al. (2014). [2] Their genomic analysis recovered two major clades within Neoaves, Passerea and Columbea, and concluded that both clades appear to have many ecologically driven convergent traits.
Opisthokont characteristics include synthesis of extracellular chitin in exoskeleton, cyst/spore wall, or cell wall of filamentous growth and hyphae; the extracellular digestion of substrates with osmotrophic absorption of nutrients; and other cell biosynthetic and metabolic pathways.
Pages in category "Phaethontiformes" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. ...
Falconry was once called "hawking", and any bird used for falconry could be referred to as a hawk. [4]Aristotle listed eleven types of ἱέρακες (hierakes, hawks; singular ἱέραξ, hierax): aisalōn (merlin), asterias, hypotriorchēs, kirkos, leios, perkos, phassophonos, phrynologos, pternis, spizias, and triorchēs.
The Anatidae are the biological family of water birds that includes ducks, geese, and swans.The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica.