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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]
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. There are three species in one genus, Phaethon. The scientific names are derived from Ancient Greek phaethon, "sun". [2]
Human taxonomy is the classification of the human species (systematic name Homo sapiens, Latin: "wise man") within zoological taxonomy. The systematic genus , Homo , is designed to include both anatomically modern humans and extinct varieties of archaic humans .
Since humans build subdivisions, railroads, and highways on the highest and driest ground, where Florida scrub jays like to live, this removal of habitats, along with the introduction of pets, especially cats not on a leash, has devastated scrub jay populations. In the last 100 years, 90% of the bird's population has been lost. [20]
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.
Flores, Indonesia is the home of the scientific study of small humans. Theories of retired professor Gregory Forth continue to proliferate the hope of finding a living homo floresiensis .
Seventy-seven Nobel laureates are urging the Senate to vote down Donald Trump's nomination of Robert F. Kennedy Jr. to run the nation’s top health agency, pointing to his views against vaccines ...
Humans have had a long relationship with ducks, geese, and swans; they are important economically and culturally to humans, and several duck species have benefited from an association with people. However, some anatids are agricultural pests , and have acted as vectors for zoonoses such as avian influenza .