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1 day ago · The peregrine falcon (Falco peregrinus), also known simply as the peregrine, [3] and historically as the duck hawk in North America, [4] is a cosmopolitan bird of prey (raptor) in the family Falconidae. A large, crow -sized falcon, it has a blue-grey back, barred white underparts, and a black head. The peregrine is renowned for its speed.
Sep 6, 2024 · Utahraptor was the largest known member of the dromaeosaurid family, and is famous for its formidable size and deadly claws. It lived during the Early Cretaceous period, around 126 million years ago, in what is now North America (Utah, USA).
6 days ago · These were similar to pterodactyls, the best known of all the pterosaur groups. Extrapolation: scientists found a 99% correlation between the length of the first finger and the wingspan in pterosaurs.
Aug 29, 2024 · a family of Phalangida. DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘Phalangiidae'.Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors.
Sep 12, 2024 · The largest known Jurassic pterosaur based on fossils is a specimen belonging to the group Pterodactyloidea that was found in Switzerland and had a wingspan of around five meters.
Aug 22, 2024 · mammoth, (genus Mammuthus), any member of an extinct group of elephants found as fossils in Pleistocene deposits over every continent except Australia and South America and in early Holocene deposits of North America. (The Pleistocene Epoch began 2.6 million years ago and ended 11,700 years ago.
Sep 9, 2024 · Perhaps the best known of Darwin's species he collected while on the Galapagos Islands were what are now called "Darwin's Finches." In reality, these birds are not part of the finch family and are thought to be some sort of blackbird or mockingbird.
