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1 December 2014 The Osprey in the Western Palearctic: Breeding Population Size and Trends in the Early 21st Century
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Abstract

The number of Osprey (Pandion haliaetus) nesting pairs in Europe, northern Africa, and the Middle East has reached between 9500 and 11 500 in the early 21st century. Compared to numbers from the 1980s (ca. 5500 pairs), the population has almost doubled. The increase is most obvious in countries like Germany and the United Kingdom. The largest and most important European populations in Sweden, Finland, and Russia seem to be stable. In contrast, Portugal, mainland Spain, and Turkey lost their last breeding pairs in the 1980s and 1990s. Negative trends are also reported from Poland due to persecution and from southeastern Europe and northern Africa, where only very few pairs remain. Reintroductions in England, Spain, and Italy have resulted in a few new breeding pairs in recent years.

El número de parejas nidificantes de Pandion haliaetus registradas en Europa, el norte de África y Oriente Medio ha alcanzado entre 9500 y 11 500 a comienzos del siglo XXI. Comparado con los números de la década de 1980 (ca. 5500 pares), la población casi se ha duplicado. El incremento es más obvio en países como Alemania y el Reino Unido. Las poblaciones europeas más grandes e importantes en Suecia, Finlandia y Rusia parecen ser estables. En contraste, Portugal, España continental y Turquía perdieron sus últimas parejas reproductivas en las décadas de 1980 y 1990. También fueron reportadas tendencias negativas en Polonia debido a la persecución y en el sudeste europeo y norte de África, donde sólo quedan pocas parejas. Las reintroducciones en Inglaterra, España e Italia han resultado en unas cuantas parejas reproductivas nuevas en años recientes.

The Raptor Research Foundation, Inc.
Daniel Schmidt-Rothmund, Roy Dennis, and Pertti Saurola "The Osprey in the Western Palearctic: Breeding Population Size and Trends in the Early 21st Century," Journal of Raptor Research 48(4), (1 December 2014). https://doi.org/10.3356/JRR-13-OSPR-13-03.1
Received: 12 December 2013; Accepted: 1 July 2014; Published: 1 December 2014
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