from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Characterized by migration; undergoing periodic migration: migratory birds.
- adj. Of or relating to a migration.
- adj. Roving; nomadic.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. that migrate
from the GNU version of the Collaborative International Dictionary of English
- adj. Removing regularly or occasionally from one region or climate to another.
- adj. Hence, roving; wandering; nomad
from The Century Dictionary and Cyclopedia
- Given to or characterized by migration; roving or removing from place to place; unsettled: as, the pastoral tribes of uncivilized men are generally migratory; to lead a migratory life.
- Pertaining or relating to migration or to a tendency to migrate.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. habitually moving from place to place especially in search of seasonal work
- adj. used of animals that move seasonally
Sorry, no etymologies found.
Even if that were possible (it's not) global warming still threatens to shift where crops CAN be grown (this is already happening, google research on massive shifts in migratory bird ranges - THEY know things are changing and adjust accordingly) and selfish Americans will let millions of (pick poor ethnic group here, probably African) die before building them nuke desalination plants, just wait and see.
We dream of birds, watch them pepper the sky in migratory lines that coil and uncoil such hard instincts in deep September.
Last I recall, they are expecting a 12% increase in migratory bird deaths this year.
The tags lasted from four weeks to seven months before falling out; altogether, they provided one of the most detailed sets of long-term migratory data for humpbacks ever collected.
65-Foreigners registered are required to inform the Registro Nacional de Extranjeros, of their changes in migratory status, nationality, maritial status, domicile, and employment activities, within 30 days of the change.
Department of the Interior to tag migratory birds has been changed.
During what is called the migratory phase, the ants bivouac in a new site nearly every night.
It's made them break a migratory pattern that goes back thousands of years.
Nearly all of our native birds are migratory, that is they go south for the winter.
Nonetheless, birds are driven by an innate biological urge called "migratory restlessness" - zugunruhe in scientific parlance.