Dunlin (Calidris alpina) - A medium-sized shorebird with a drooping bill, adult dunlin can be easily recognized while in breeding plumage by the large black patch on their otherwise white bellies. Familiar around the world, dunlin spend their winters up and down coastlines across the entire Northern Hemisphere.
Preformed vitamin A is found in animal products such as meat, fish, poultry and dairy foods. The other type, pro-vitamin A is found in plant-based foods such as fruits and vegetables. The most common type of pro-vitamin A is beta-carotene.
Animal Products. Foods derived from animals--meat, dairy, fish and poultry--are the only foods in which vitamin B12 occurs naturally. If you don't get enough of this vitamin, you could suffer memory loss and other neurological problems, according to the Harvard School of Mental Health website. If you are vegetarian or vegan, look for foods fortified with vitamin B12, or take B12 supplements.