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.
These are foods that contain vitamin A or its precursor called beta-carotene. Animal foods contain vitamin A whereas no plant food provides vitamin A but instead they have beta-carotene which is converted to vitamin A in the liver.The foods listed in this article are good sources of vitamin A or beta-carotene.hese are foods that contain vitamin A or its precursor called beta-carotene. Animal foods contain vitamin A whereas no plant food provides vitamin A but instead they have beta-carotene which is converted to vitamin A in the liver.