TY - JOUR T1 - Heritability of parental effort in a passerine bird. JO - Evolution PY - 2003/09/01 AU - MacColl ADC AU - Hatchwell BJ ED - DO - DOI: 10.1111/j.0014-3820.2003.tb00398.x VL - 57 IS - 9 SP - 2191 EP - 2195 Y2 - 2024/12/22 ER -