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Drought in the Horn of Africa delays migrating birds
Date:12/6/2012

trieving them in the spring when the birds returned to Europe, the scientists were able to trace the migration route and stopover sites. These data revealed a delay in the particular stopover in the Horn of Africa. Additionally, it was noted that other migrating birds not passing through the Horn of Africa arrived in Europe at the expected time.

- We have reconstructed 26 migration routes based on data from the small "data backpacks" weighing just 1 gram. This new technology provides us with a detailed picture of the birds' migration and stopovers. It is brand-new territory to be able to track animals this small over such great distances, says Associate Professor Kasper Thorup from the Center for Macroecology, Evolution and Climate at the University of Copenhagen.

Delayed breeding

The birds' late arrival in 2011 also meant a similarly late breeding year.

- There are no signs of implications on the birds' breeding success and thereby the size of the population. But it is possible that we haven't yet seen the full effect of the delayed year, concludes Anders Tttrup.


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Contact: Anders Tttrup
aptottrup@bio.ku.dk
45-51-82-69-88
University of Copenhagen
Source:Eurekalert  

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