In years 2006–2007 secondary sex ratio of blackbird nestlings in Stefan Żeromski park in Szczecin was studied. 190 nestlings were sexed by genetic analysis. Female: male ratio was found to be 1 : 0,94. No relationships were found between hatching date and sex of nestling and female age and sex of offspring.
Data udostępnienia | 15 cze 2022, 15:07:42 |
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Data mod. | 15 cze 2022, 15:07:42 |
Dostęp | Publiczny |
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