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The greater scaup (Aythya marila), just scaup in Europe or, colloquially, "bluebill" in North America, [3] is a mid-sized diving duck, larger than the closely related lesser scaup and tufted duck. It spends the summer months breeding in Iceland , east across Scandinavia , northern Russia and Siberia , Alaska , and northern Canada .
Chickens remained primarily to provide eggs, mostly to the farmer (subsistence agriculture), with commercialization still largely unexplored. Farm flocks tended to be small because the hens largely fed themselves through foraging, with some supplementation of grain, scraps, and waste products from other farm ventures. Such feedstuffs were in ...
Scaup is the common name for three species of diving duck: Greater scaup, or just "scaup", Aythya marila; Lesser scaup, Aythya affinis;
It is the third largest poultry producer in the United States and produces 13.65 million chickens per week. On July 22, 2022, it merged with Wayne Farms to form Wayne-Sanderson Farms . [ 2 ] The new company is controlled by a joint venture between Cargill and Conti (also known as Continental Grain Co. or ContiGroup).
The modern combine harvester, also called a combine, is a machine designed to harvest a variety of cultivated seeds. Combine harvesters are one of the most economically important labour-saving inventions, significantly reducing the fraction of the population engaged in agriculture. [ 1 ]
When male turkeys inseminated female chickens, no hybrids resulted; however, the unfertilised chicken eggs began to divide. According to Olsen, [20] turkey-chicken crosses produced all males. A supposed turkey × pheasant hybrid was reported by Edwards in 1761. [22] A hybrid between a turkey and Ocellated turkey was reported in 1956. [23]
The YTO Group Corporation is a Chinese agricultural machinery and construction machinery manufacturer part of Sinomach, a comprehensive machinery conglomerate. Although composed of many subsidiaries and divisions, the company is best known for manufacturing a range of farming products including tractors and combine harvesters.
Lesser scaup are often hard to distinguish from the greater scaup when direct comparison is not possible, but in North America a large scaup flock will often have both species present. Females, juveniles and drakes in eclipse plumage are hard to identify; there is considerable overlap in length between the two species, but greater scaup are ...