Roofvogels in de Nederlandse wetlands VI : Energie opname en groei van nestjongen van de bruine kiekendief Circus aeruginosus#een functionele verklaring voor afwijkende sex ratiosa

The questions in this study are: 1. Do female Marsh Harrier nestlings have a higher total food intake than their male siblings? The hypothesis postulated here is: the larger than 50% sex ratio in Marsh Harrier populations results from the fact that female nestlings have a higher energy ...