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The list also includes the South American oilbird and the cuckoo roller of Madagascar, which are both separated from the rest of the avian tree of life by more than 65 million years.
Among the topics are the character and significance of flood deposits in continental and marine environments, a case study of genetic indices in hyperpycnal systems in the Late Oligocene to Early Miocene merecure formation in Venezuela's Maturin Sub-basin, fluvial-derived turbidites in the Los Molles formation, ichnologic signatures of hyperpycnal flow deposits in Cretaceous river-dominated deltas in the Austral Basin of southern Argentina, and evidence of shelfal hyperpycnal deposition of Pliocene sandstones in the Oilbird Field on the southeast coast of Trinidad.
Consisting of five families and 118 species found throughout Asia, Australia, and Central and South America, this order of very interesting and diverse birds includes frogmouths, potoos, and the oilbird, the only bird in the world known to possess the ability to echolocate, as can bats and dolphins.
The natural history of the oilbird, Steatornis caripensis, in Trinidad, W.
However, because the oilbird, a nocturnal bird of South America that is unrelated to swiftlets, also developed echolocation, that capability has evolved in birds more than once.