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| English | Spanish |
| animal migration | migración animal |
| animal migration Movements that particular animals carry out regularly often between breeding places and winter feeding grounds | migración (animal) |
| human migration The permanent or semipermanent change of a person's place of residence | migraciones humanas |
| internal migration A population shift occurring within national or territorial boundaries, often characterized by persons seeking labor opportunities in more advantageous areas | migración interior |
| pollutant migration | migración contaminante |
| pollutant migration Uncontrolled movement, caused by percolation or other processes, of liquid or gaseous polluting materials from an original source area into other parts of an ecosystem | migración contaminante |
| seasonal migration The periodic movement of a population from one region or climate to another in accordance with the yearly cycle of weather and temperature changes | migración estacional |
| transitional migration limit | límite de migración transitorio |