Sika deer also known as the "true deer". Formerly, sika were grouped together in this genus with nine other species. Now, only the sika and red deer remain, the latter being divided into three separate species: European red deer, central Asian red deer and American elk (though this remains controversial). Recent DNA evidence indicates these deer are not as closely related as previously thought, resulting in the creation of new species and genera. The genera "Rucervus", "Rusa", and "Przewalskium" are where most of the former "Cervus" species now belong. The ancestor of all "Cervus" species probably originated in central Asia and resembled
Sika AG (2016). Besides the brand Sika, more than 600 product brands are in use including Sikaflex, SikaTack, Sika ViscoCrete, SikaBond, Sikafloor, Sika CarboDur Sikagard, Sika MaxTack, Sikaplan, Sikament, Sikadur, SikaLastic, SikaRoof MTC, Sika Unitherm and Sika Sarnafil. Sika AG is the legal entity for the holding company, which includes the Sika organisations worldwide, Sika Technology AG (Research and Development) and Sika Services AG (Corporate functions supporting all organizations worldwide). Sika AG Sika AG is a specialty chemical company for building and motor vehicle supplies, headquartered in Baar, Switzerland. It has a leading market position in both the building sector and the