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A jay is a member of a number of species of medium-sized, usually colorful and noisy, passerine birds in the crow family, Corvidae.The evolutionary relationships between the jays and the magpies are rather complex.
The bird kicked the younger boy, who fell and ran away as his older brother struck the bird. The older McClean then tripped and fell to the ground. While he was on the ground, the cassowary kicked him in the neck, opening a 1.25-centimetre (0.49 in) wound that severed his jugular vein .
During the early Cenozoic, after the extinction of the non-bird dinosaurs, mammals underwent an evolutionary diversification, and some bird groups around the world developed a tendency towards gigantism; this included the Gastornithidae, the Dromornithidae, the Palaeognathae, and the Phorusrhacidae. [36]
A cancer syndrome or family cancer syndrome is a genetic disorder in which inherited genetic mutations in one or more genes predisposes the affected individuals to the development of cancers and may also cause the early onset of these cancers. Although cancer syndromes exhibit an increased risk of cancer, the risk varies.
The hoatzin (/ h oʊ ˈ æ t s ɪ n / hoh-AT-sin) [note 1] or hoactzin (/ h oʊ ˈ æ k t s ɪ n / hoh-AKT-sin) (Opisthocomus hoazin) [4] is a species of tropical bird found in swamps, riparian forests, and mangroves of the Amazon and the Orinoco basins in South America.
One of the primary causes of natural mortality was the weather, and every spring many individuals froze to death after migrating north too early. In captivity, a passenger pigeon was capable of living at least 15 years; Martha, the last known living passenger pigeon, was at least 17 and possibly as old as 29 when she died. It is undocumented ...
The World Health Organization has identified glyphosate as "possibly carcinogenic to humans" and a study published earlier this year showed that glyphosate raised the cancer risk of those exposed ...
The nighthawks are confined to the New World, and the eared nightjars to Asia and Australia. [8] A number of species undertake migrations, although the secretive nature of the family may account for the incomplete understanding of their migratory habits. Species that live in the far north, such as the European nightjar or the common nighthawk ...