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Data from: Sperm head abnormalities are more frequent in songbirds with more helical sperm: A possible trade-off in sperm evolution
- 负责人：
- St?stad, Hanna
- DOI：
- doi:10.5061/dryad.1mj39tf
- 摘要：
- ance and the structural integrity of the sperm head. As such, susceptibility to morphological abnormalities may constrain the evolution of helical sperm morphology in songbirds.
Data from: Weak geographical structure in sperm morphology across the range of two willow warbler Phylloscopus trochilus subspecies in Scandinavia
- 负责人：
- DOI：
- doi:10.5061/dryad.td453
- 摘要：
- Sperm morphology is highly diversified among species and at higher taxonomic levels. In birds, there is also increasing evidence of
Data from: A sex-linked supergene controls sperm morphology and swimming speed in a songbird
- 负责人：
- DOI：
- doi:10.5061/dryad.p4238
- 摘要：
- Sperm are perhaps the most diverse cells in the animal kingdom, with enormous morphological variation between taxa, between species, between males
Data from: Sperm head morphology is associated with sperm swimming speed: a comparative study of songbirds using electron microscopy
- 负责人：
- St?stad, Hanna Nyborg
- 关键词：
- Structure-function relationships Sexual selection Sperm competition Sperm shape Scanning electron microscopy
- DOI：
- doi:10.5061/dryad.341kj02
- 摘要：
- shape, however, remains unknown. Using scanning electron microscopy, we quantified inter- and intra-specific variation in sperm head morphology across 36
Data from: Early diversification of sperm size in the evolutionary history of the old world leaf warblers (Phylloscopidae)
- 负责人：
- DOI：
- doi:10.5061/dryad.rj25q
- 摘要：
- Sperm morphological traits are highly variable among species and are commonly thought to evolve by post-copulatory sexual selection. However, littl
Data from: Postcopulatory sexual selection is associated with accelerated evolution of sperm morphology
- 负责人：
- DOI：
- doi:10.5061/dryad.qb2c7
- 摘要：
- . Spermatozoa exhibit remarkable variability in size and shape, and studies report a correlation between sperm morphology (sperm length and shape
Data from: Sperm morphology, sperm motility and paternity success in the bluethroat (Luscinia svecica)
- 负责人：
- 关键词：
- Luscinia svecica
- DOI：
- doi:10.5061/dryad.6nv688k
- 摘要：
- or any aspects of sperm motility. Furthermore, sperm morphology and sperm motility did not correlate significantly with male morphological characters that pr
Data from: Intra-ejaculate sperm selection in female zebra finches
- 负责人：
- 关键词：
- sperm swimming velocity;fertilisation;Taeniopygia guttata;sperm subpopulations;sperm morphology
- DOI：
- doi:10.5061/dryad.vc7ss
- 摘要：
- ivitelline layer of the ovum. We show that these sperm have remarkably low morphological variation, as well as smaller head size and greater tail length, compared
Data from: Phenotypic plasticity in genitalia: baculum shape responds to sperm competition risk in house mice
- 负责人：
- DOI：
- doi:10.5061/dryad.57v6627
- 摘要：
- Males are known to adjust their expenditure on testes growth and sperm production in response to sperm competition risk. Genital morphology can als
Data from: Extensive variation in sperm morphology in a frog with no sperm competition
- 负责人：
- DOI：
- doi:10.5061/dryad.ss8t1
- 摘要：
- in this species, potentially resulting in the observed differences among populations. Such interpopulation difference in sperm morphology might be expe
