  Collagen is the main protein of connective tissue in animals and the most abundant protein in mammals,[1] making up about 25% to 35% of the whole-body protein content.I â¦ t is naturally found exclusively in metazoa, including sponges. [2] In muscle tissue it serves as a major component of endomysium. Collagen is the main protein of connective tissue in animals and the most abundant protein in mammals,[1] making up about 25% to 35% of the whole-body protein content.
The Southern Cassowary - The Most Dangerous Bird on Earth. Sunday, 1 September 2013. Ask a ten year old what the largest bird in the world is and the chances are you will get the right answer â the ostrich. Asked about the second largest and the odds are still very good that they will be able to name the Emu.
(The common Avian Influenza virus under a microscope.). Avian Influenza, also known as Influenza, Bird Plague, AI, or Avian Flu, is a worldwide virus, birds being the carriers. It is the most dangerous virus known, to any animal. Avian Influenza is extremely lethal, wide-spreading, and commonly has acute symptoms; it is a virus every chicken raiser and non-chicken raiser should know well. This virus is wide-spreading and makes chickens drop like flies.