Warming climate is changing where birds breed: study

Spring is in full swing. Trees are leafing out, flowers are blooming, bees are buzzing, and birds are singing. But a recent study published in Proceedings of the National Academy of Sciences found that those birds in your ...

Migrating monarchs facing increased parasite risks

During their annual migration to wintering sites in Mexico, monarch butterflies encounter dangers ranging from cars and trucks to storms, droughts and predators. A study led by ecologists at the University of Georgia has ...

Visa restrictions can lead to increase in illegal migration

While Government-imposed restrictions on immigration can reduce overall migration, they can also be ineffective or even counterproductive, pushing more would-be migrants into unauthorised channels, finds new UCL-led research ...

Migrating insects fly in the fast lane

A study published today in Science, by researchers at Rothamsted Research, the Met Office, the Natural Resources Institute, and the Universities of Exeter, Greenwich and York, sheds new light on the flight behaviours that ...

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Immigration

Immigration (derived from Latin: migratio) is the act of foreigners passing or coming into a country for the purpose of permanent residence. Immigration is made for many reasons, including economic, political, family re-unification, natural disaster, poverty or the wish to change one's surroundings voluntarily.

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