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Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	El abejaruco europeo Merops apiaster en España: su distribución, abundancia y amenazas
Auteurs :	Oscar Gordo, Auteur ; Raül Aymí, Auteur ; Blas Molina, Auteur
Type de document :	Article
Dans :	Vogelwarte (59(3) 2021)
Article en page(s) :	11
Résumé :	The European Bee-eater Merops apiaster occurs in all the Iberian Peninsula, except most of its Eurosiberian region, and mostly below 800 m a.s.l. During the last two decades, the Bee-eater has increased its distribution area by 7 % and has continued its long-term trend to colonize new sites in northern Spain and mountainous areas. Nevertheless, its breeding status is uncertain in many areas. The assessment in 2018 estimated at 2.4 million birds the Spanish breeding population. However, there are disagreements with deviating regional estimates and thus, a countrywide estimation based on a specifically designed survey for the species would be desirable. The Spanish population has decreased by 0.8 % every year between 1998 and 2019, but this trend is becoming more negative in recent years. There are marked differences among regions, declines are especially marked in the western populations and the Balearic Islands. Unfortunately, the causes are unknown due to the lack of basic information about Bee-eater demography and population dynamics. It would be necessary to set up studies to improve our knowledge in these issues. Similarly, the wintering areas, the migration routes and their consequences for Bee-eaters’ survival are totally unknown. The main threat for the species is the beekeeping industry. There is a strong belief that Bee-eaters cause serious damage by predation of honey bees, though various studies have shown a rather minor impact. Other threats are bee extinction due to agriculture intensification and pesticide use, and disappearance or destruction of suitable nesting sites at local scales.

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