TY - JOUR T1 - Unhatched eggs represent the invisible fraction in two wild bird populations JO - Biology Letters UR - http://eprints.whiterose.ac.uk/156004/ PY - 2020/01/01 AU - Hemmings N AU - Evans S ED - DO - DOI: 10.1098/rsbl.2019.0763 PB - The Royal Society VL - 16 IS - 1 Y2 - 2024/12/25 ER -