Comparison of breeding bird trends between the Netherlands and Europe ...

Bird trends in the Netherlands are explained by habitat type rather than by rarity. Inger et al . (2015. Common European birds are declining rapidly while less abundant species’ numbers are rising. Ecol. Lett. 18: 28–36) concluded that in the period 1980–2009 populations of common European birds declined while less abundant species increased in number. The main aim of this paper is to test if this also holds for the Netherlands. Our first hypothesis proposes the opposite effect; namely that: (1) common birds have become more common and rare birds more rare. We tested three additional hypothese... Mehr ...