Flycatcher birds that migrate from Africa to Europe feed

Last updated: 3/16/2024

Flycatcher birds that migrate from Africa to Europe feed their nestlings a diet that is almost exclusively moth caterpillars The graph below shows the mean dates of arrival bird hatching and peak caterpillar season for the years 1980 and 2000 1980 125 April I peak bird arrival 13 June former peak bird hatching 2000 and caterpillar season May 25 new peak bird hatching May 15 new peak caterpillar season 1 April 1 May 1 June The shift in the peak of caterpillar season is most likely due to