TY - CHAP T1 - Long-tailed tits: Ecological causes and fitness consequences of redirected helping T2 - Cooperative Breeding in Vertebrates UR - https://doi.org/10.1017/cbo9781107338357.004 PY - 2016/01/07 AU - Hatchwell BJ ED - DO - DOI: 10.1017/cbo9781107338357.004 PB - Cambridge University Press SP - 39 EP - 57 Y2 - 2025/12/07 ER -