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A birds-mouth joint in a rafter, set upon a double top plate. Shown are the two cuts of the joint: the seat cut and the heel cut. In light frame construction, a birdsmouth joint or bird's beak cut is a woodworking joint that is generally used to connect a roof rafter to the top plate of a supporting wall. [1]
Two king post trusses linked to support a roof. Key:1: ridge beam, 2: purlins, 3: common rafters. This is an example of a "double roof" with principal rafters and common rafters. A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof.
A bird hide (blind or bird blind in North America) is a shelter, often camouflaged, that is used to observe wildlife, especially birds, at close quarters. Although hides or hunting blinds were once built chiefly as hunting aids, they are now commonly found in parks and wetlands for the use of birdwatchers , ornithologists and other observers ...
The northern cardinal is the state bird of North Carolina. This list of birds of North Carolina includes species documented in the U.S. state of North Carolina and accepted by the North Carolina Bird Records Committee (NCBRC) of the Carolina Bird Club. As of January 2020, there are 479 species and a species pair definitively included in the ...
Swimming birds have a wide sternum, walking birds have a long sternum, and flying birds have a sternum that is nearly equal in width and height. [19] The chest consists of the furcula (wishbone) and coracoid (collar bone) which, together with the scapula , form the pectoral girdle ; the side of the chest is formed by the ribs, which meet at the ...
The majority is determined by acts of the North Carolina General Assembly and record in Chapters 144, 145, and 149 of the North Carolina General Statutes. [1] The state's nicknames – "The Old North State" and "The Tar Heel State" – are both traditional, but have never been passed into law by the General Assembly.
The base of the upper mandible, or the roof when seen from the mouth, is the palate; the palate's structure differs greatly in the ratites. Here, the vomer is large and connects with premaxillae and maxillopalatine bones in a condition termed as a "paleognathous palate". All other extant birds have a narrow forked vomer that does not connect ...
keeping birds, the hunting and capture of which is prohibited; sale, transport for sale, keeping for sale and the offering for sale of live or dead birds and of any readily recognizable parts or derivatives of these birds. As of 2018, the overall ortolan bunting's population is listed by the IUCN as Least Concern (LC).