Reposted by Jan Wanink
Black-tailed #godwits #grutto #skries eat earthworms before nesting period and leatherjackets (Tipulid larvae) thereafter.
This is a consequence of soils drying out (reducing earthworm availability) and leatherjackets growing in size across summer season.
OPEN ACCESS: dx.doi.org/10.1002/ece3...
dx.doi.org
Soil Moisture and Prey Life Cycles Promote Seasonal Dietary Shift in a Grassland‐Breeding Migratory Shorebird
In this study, we utilized DNA metabarcoding of 207 fecal samples to describe the diet of flock-foraging godwits in southwest Friesland, the Netherlands, during pre-nesting (March) and post-nesting (...