A number of bacterial and viral infections occur in wild turkeys, but diseases and parasites are rarely limiting factors affecting turkey populationsanywhere within their range. In fact, no wild turkeys have ever been linked to disease outbreaks in domestic poultry or cattle.
Gandalf is an Immortal Angelic being of the race of the Ainur , there are two types of the Ainur , the Valar and the Maiar which , the Valar are the greater Ainu , the Maiar are the lesser Ainu , Gandalf is a Maia , The Valar have their own groups of the Maiar , Gandalf 's name in Valinor was Olorin where the vast majority of the Ainur are inhabited ...
In the The Return of the King video game, the spell (from weak to full power) is known as Fog of War, Wrath of Anor, and Flame of Udun. This would imply that Gandalf could use Shadow powers as well as Light powers, though this is unconfirmed and at any case highly unlikely.