Widespread declines of larger moths affects birds, bats and mammals, which depend on them
In the Netherlands, 766 species of larger moths are considered native. About one-third of the species are decreasing and all species together show a significant, declining, trend in abundance. It may well be that the severe decline in some bird species in Northwestern Europe, especially of those that inhabit agricultural landscapes like Corn Bunting (Miliaria calandra) and Eurasian Skylark (Alauda arvensis), is related to the decline in moth diversity. It can be hypothesized, that the most important trigger is the period in which these birds feed their young.