migratory, emigration, assimilation, depopulation, exodus, integration, outflow, emigrants, reintroduction, migrants, outbreeding, irruptive, implementation, recolonization, extirpation, influx, displacement, repatriation, godwit, introgression, colonization, deployment, adoption, populations, flyway, waterbird, evolution, uptake, irruption, influxes, propagation, golden plover, resettlement, flows, urbanization, acculturation, avifauna, immigration, inflow, translocation, predation, moulting, brain drain, census, intermarriages, neotropical, bluewing, faunas, spotted flycatcher, deglaciation, interbreeding, wintering, elver, transhumance, repopulation, immigrants, expatriation, shorebirds, fragmentation, degradation, passerines, adelie penguin, shearwater, lambdas, common murre, austral, extinction, immiseration, births, transition, removals, mortalities, nesting, deportation, danaus, aedes albopictus, adelie, industrialization, whitewing, benthos, naturalization, dermochelys coriacea, impoverishment, aggregations, europeanisation, olive ridley, pupation, phalaropes, collectivisation, wave equation, culling, replication, pauperization, remittances, cutover, rollout, latinization, swamp sparrow, channelization, saiga, poaching, wood stork, migrations, outmigration, migrant, relocation, urbanisation, accumulation, deforestation, enlistment, accretion, erosion, war, conquest, disappointing, epochal, peak, prewar, survival, turbulent, unification, 5-10, average, bellum, birth, calamitous, cataclysmic, chaotic, charter, claimant, coldest, collisional

emigration, gold rush, immigration, in-migration, out-migration

band, emigration, expatriation, gastrulation, gold rush, immigration, in-migration, migrational, out-migration, ring, shad, trek

group action, periodic event, recurrent event