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The rest of the tail around the pygostyle was covered in short, non-aerodynamic feather tufts similar to the contour feathers of the body, rather than the familiar feather fan of modern bird tails. [9] Laser fluorescence of two Confuciusornis specimens revealed additional details of their soft-tissue anatomy.
The northern mockingbird is the state bird of Texas. The list of birds of Texas is the official list of species recorded in the U.S. state of Texas according to the Texas Bird Records Committee (TBRC) of the Texas Ornithological Society. As of January 2024, the list contained 664 species. Of them, 170 are considered review species. Eight species were introduced to Texas, two are known to be ...
Red kite (Milvus milvus) in flight, showing remiges and rectrices. Flight feathers (Pennae volatus) [1] are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (/ ˈ r ɛ m ɪ dʒ iː z /), singular remex (/ ˈ r iː m ɛ k s /), while those on the tail are called rectrices (/ ˈ r ɛ k t r ...
The body feathers are edged with yellow giving a scalloped appearance. The adult male has a black beak and pinkish-red eye-rings, and the female has a bone-coloured beak and grey eye-rings. In flight, yellow-tailed black cockatoos flap deeply and slowly, with a peculiar heavy fluid motion. Their loud, wailing calls carry for long distances.
Samples of San Francisco wastewater tested positive for bird flu; authorities have yet to determine the source.
The resplendent quetzal (Pharomachrus mocinno) is a small bird found in Central America and southern Mexico that lives in tropical forests, particularly montane cloud forests. They are part of the family Trogonidae and have two recognized subspecies , P. m. mocinno and P. m. costaricensis .
The calamus is hollow and has pith formed from the dry remains of the feather pulp, and the calamus opens below by an inferior umbilicus and above by a superior umbilicus. [2] The stalk above the calamus is a solid rachis having an umbilical groove on its underside. Pennaceous feathers have a rachis with vanes or vaxillum spreading to either side.
The avian flu, which saw a North American resurgence beginning in February 2022, is believed to have jumped from wild birds to dairy cows late last year. As of Monday, the disease had been ...