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Avemetatarsalia (meaning "bird metatarsals") is a clade of diapsid reptiles containing all archosaurs more closely related to birds than to crocodilians. [2] The two most successful groups of avemetatarsalians were the dinosaurs and pterosaurs.
The turquoise-browed motmot (Eumomota superciliosa) is a colourful, medium-sized bird of the motmot family, Momotidae.It inhabits Central America from south-east Mexico (mostly the Yucatán Peninsula), to Costa Rica, where it is common and not considered threatened.
When breeding, females lay one to three pale blue eggs with a mean of 38.9 millimetres (1.53 in) x 32.4 millimetres (1.28 in) in a nest placed in a hole which they carve in a rotten tree. [14] Resplendent quetzals tend to lay two clutches per year and are known to have a high rate of nest failure, 67-78%. [ 27 ]
Officials in Arizona this week said nearly a half-dozen animals including a cheetah and a mountain lion at a Phoenix-area zoo died and others are sick after being exposed to the bird flu.
The phorusrhacid Titanis expanded northward into southern North America during the Interchange and coexisted for several million years with large canids and big cats like Xenosmilus, before its extinction about 1.8 million years ago.
The FBI had at least 26 confidential informants on the ground in Washington, DC, during the Jan. 6, 2021 storming of the Capitol — most of whom engaged in illegal activity during the chaos, the ...
The Pajaro River's largest tributary is the San Benito River which is much longer than the Pajaro, flowing northwest from its source at an elevation of 4,760 feet on San Benito Mountain on its course between the Diablo Range and the Gabilan Range, traveling for about 65 miles (105 km) before its confluence with the Pajaro River, about 15 miles ...
The entirely extinct prehistoric species V. downsi is closely related to the southern lapwing found in California; its remains have been found at the La Brea Tar Pits in Los Angeles. Separated by the Rocky Mountains, V. downsi makes an unlikely ancestor to the southern lapwing, but it is certainly possible that it was a northwestern sister ...