@article{article, title  = {{UNUSUAL SPERM MORPHOLOGY IN THE EURASIAN BULLFINCH (PYRRHULA PYRRHULA)}},

 publisher = {{Oxford University Press (OUP)}},

 url = {{https://doi.org/10.1642/0004-8038(2006)123[383:usmite]2.0.co;2 }},

 year = {{2006}},

 month = {{1}},

 author = {{Birkhead TR and Immler S and Pellatt EJ and Freckleton R}},

 doi = {{10.1642/0004-8038(2006)123[383:usmite]2.0.co;2}},

 volume = {{123}},

 journal = {{The Auk}},

 issue = {{2}},

 pages = {{383-383}},

 note = {{Accessed on 2025/11/23}}}