migrator
mig·ra·tor
noun
2.
an animal (especially birds and fish) that travels between different habitats at particular times of the year
Origin
From migrate + -or.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.