The regular, usually seasonal, movement of all or part of an animal population of and from a given area, which can occur in variable periods of time and even involve more than one generation.

##Atomized branch##

MigratoryAtomized

Migratory element in structured format. A controlled vocabulary is recommended.

Class: [MigratoryAtomizedClass] (https://github.com/tdwg/PlinianCore/wiki/MigratoryAtomizedClass)

AncillaryData

Ancillary information of the MigratoryAtomized element.

Class: [AncillaryDataClass] (https://github.com/tdwg/PlinianCore/wiki/AncillaryDataClass)

##Unstructured branch##

MigratoryUnstructured

Migratory element in text block format.

Class: [NormalString] (https://github.com/tdwg/PlinianCore/wiki/NormalString)

AncillaryData

Ancillary information of the MigratoryUnstructured element.

Class: [AncillaryDataClass] (https://github.com/tdwg/PlinianCore/wiki/AncillaryDataClass)

Image	Description
	Complex Type
	Sequence structure
	Choice structure
	Obligatory element
	Optional element
	minOccurs=0 maxOccurs=unbounded
	minOccurs=1 maxOccurs=unbounded