Three decades of sperm competition in birds
TR Birkhead, R Montgomerie - … Transactions of the …, 2020 - royalsocietypublishing.org
In the three decades, since Birkhead and Møller published Sperm competition in birds
(1992, Academic Press) more than 1000 papers have been published on this topic, about …
(1992, Academic Press) more than 1000 papers have been published on this topic, about …
Sperm form and function in the absence of sperm competition
G van der Horst, L Maree - Molecular reproduction and …, 2014 - Wiley Online Library
Sperm competition is a post‐copulatory, sexual selection force that, together with phylogeny
and fertilization mode, has been regarded as one of the main factors explaining the diversity …
and fertilization mode, has been regarded as one of the main factors explaining the diversity …
Evolution of female promiscuity in Passerides songbirds
Background Female promiscuity is highly variable among birds, and particularly among
songbirds. Comparative work has identified several patterns of covariation with social …
songbirds. Comparative work has identified several patterns of covariation with social …
Experimental evolution reveals that sperm competition intensity selects for longer, more costly sperm
It is the differences between sperm and eggs that fundamentally underpin the differences
between the sexes within reproduction. For males, it is theorized that widespread sperm …
between the sexes within reproduction. For males, it is theorized that widespread sperm …
Sperm head morphology is associated with sperm swimming speed: A comparative study of songbirds using electron microscopy
Sperm exhibit extraordinary levels of morphological diversification across the animal
kingdom. In songbirds, sperm have a helically shaped head incorporating a distinct …
kingdom. In songbirds, sperm have a helically shaped head incorporating a distinct …
Within-ejaculate sperm competition
A Sutter, S Immler - … Transactions of the Royal Society B, 2020 - royalsocietypublishing.org
Sperm competition was defined by Geoff Parker 50 years ago as the competition between
sperm from two or more males over the fertilization of a set of eggs. Since the publication of …
sperm from two or more males over the fertilization of a set of eggs. Since the publication of …
Sperm structure and motility in the eusocial naked mole-rat, Heterocephalus glaber: a case of degenerative orthogenesis in the absence of sperm competition?
Background We have studied sperm structure and motility in a eusocial rodent where
reproduction is typically restricted to a single male and behaviourally dominant queen …
reproduction is typically restricted to a single male and behaviourally dominant queen …
Faithful females receive more help: the extent of male parental care during incubation in relation to extra‐pair paternity in songbirds
B Matysioková, V Remeš - Journal of Evolutionary Biology, 2013 - academic.oup.com
Parental care provided by males occurs in a diverse array of animals and there are large
differences among species in its extent compared with female care. However, social and …
differences among species in its extent compared with female care. However, social and …
Large‐brained birds display lower extra‐pair paternity
Y Liu, Z Wu, W Liao - Integrative Zoology, 2023 - Wiley Online Library
Extra‐pair paternity (EPP) benefits to improve the reproductive success via extra‐pair
fertilizations without the costs of parental care in males and through improved offspring …
fertilizations without the costs of parental care in males and through improved offspring …
Inbreeding depression of sperm traits in the zebra finch Taeniopygia guttata
Inbreeding depression, or the reduction in fitness due to mating between close relatives, is a
key issue in biology today. Inbreeding negatively affects many fitness‐related traits …
key issue in biology today. Inbreeding negatively affects many fitness‐related traits …