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Tag: Bird species

Major global bird migration routes to the Arctic
Bird species that migrate to the Arctic coasts and wetlands arrive from nearly every corner of the planet. During the summer, the sun never or nearly never sets, resulting in a short but intensive breeding season when m...
17 May 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Major global bird migration routes to the Arctic
Bird species that migrate to the Arctic coasts and wetlands arrive from nearly every corner of the planet. During the summer, the sun never or nearly never sets, resulting in a short but intensive breeding season when mi...
31 Jul 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
A photographic impression of the gradual changes in two ecosystem types
Globally, over 1,000 (87%) of a total of 1,226 threatened bird species are impacted by agriculture. More than 70 species are affected by agricultural pollution, 27 of them seriously. Europe’s farmland birds have decl...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Major global bird migration routes to the Arctic
Bird species that migrate to the Arctic coasts and wetlands arrive from nearly every corner of the planet. During the summer, the sun never or nearly never sets, resulting in a short but intensive breeding season when mi...
17 May 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Migration of grassland birds in America
The grasslands of Argentina, Bolivia, Brazil, Paraguay, and Uruguay in southern South America represent important habitat to numerous migratory and resident bird species. These birds play vital roles in the ecosystem by ...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal