breeding datasets
2 datasets tagged "breeding"
Explore Swiss Breeding Bird Survey Data, 1999-2025
Survey visits and recorded species are strongly positively correlated (r²=0.54), alongside patterns for elevation, coordinates and route length.
Yellowhammer Breeding Data Track Insects and Predation
Across 157 nests from 1995-2007, clutch, hatching and fledging records sit alongside insect prey abundance, magpie predation pressure and land use.