A total of twelve sera derived from two Manchurian cranes (Grus japonensis), four demoiselle cranes (Anthropoides virgo), three grey crowned cranes (Balearica regulorum), two blue cranes (Anthropoides paradisea) and one sandhill crane (Crus canadensis) were tested. All sera were obtained from German zoos in Berlin, Nürnberg, Dresden and Karlsruhe.
|[Image: Jesep del Hoyo]|
Of course, cranes are relatively distant from geese and ducks, but are most closely related to herons and storks. One would assume that the Crane Hepatitis B Virus would have some more similarity with Heron Hepatitis B Virus and Stork Hepatitis B Virus, but Mother Nature does not always oblige us.
|[Relationship of Avian Hepatitis B Viruses]|
 Prassolove et al: New hepatitis B virus of cranes that has an unexpected broad host range in Journal of Virology - 2003