TY - GEN AU - Lüpold,Stefan AU - Calhim,Sara AU - Immler,Simone AU - Birkhead,Tim R TI - Sperm morphology and sperm velocity in passerine birds SN - 0962-8452 PY - 2009///0324 KW - Animals KW - Male KW - Passeriformes KW - physiology KW - Sperm Motility KW - Spermatozoa KW - cytology N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1098/rspb.2008.1645 ER -