breeding datasets
2 datasets tagged "breeding"
Swiss Breeding Bird Survey (1999–2025)
Annual bird species counts from 267 Swiss survey sites across elevation bands, tracking biodiversity changes over 27 years.
Yellowhammer Breeding Success, Insect Abundance and Predation (1995-2007)
Nest-level data on yellowhammer clutch size, hatching, fledging, insect prey abundance, magpie predation pressure, and surrounding land use across 157...