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A cuckoo has just completed
of the longest migrations ever recorded by
bird. The cuckoo left its winter home in Zambia in Southern Africa on March the 20th and has arrived at its breeding
in Mongolia. Ornithologists named the bird Onon after a Mongolian
. They tagged five
cuckoos in Mongolia with microchips last summer to track their
. The satellite tags monitored the
of the birds across the Indian Ocean and 16 countries. Onon was the
of the five birds to make the return journey from Mongolia to Zambia and back. The ornithologists hailed Onon's
and described it as being "a
journey".
