Events

Butterfly dichromatism primarily evolved via Darwin's, not Wallace's, model

What evolutionary processes maintain MHC IIꞵ diversity within and among populations of stickleback?

Male-biased sexual selection, but not sexual dichromatism, predicts speciation in birds

Female genitalia can evolve more rapidly and divergently than male genitalia

Experimental evidence that symbiotic bacteria produce chemical cues in a songbird

Innate and adaptive immune proteins in the preen gland secretions of male house sparrows

Internal paper

The role of female reproductive fluid in sperm competition

Ovarian fluid proteome variation associates with sperm swimming speed in an externally fertilizing fish

The cloacal microbiome changes with the breeding season in a wild bird

Association between louse abundance and MHC II supertypes in Galápagos mockingbirds

Gamete-level immunogenetic incompatibility in humans–towards deeper understanding of fertilization and infertility?

Programmed DNA elimination of germline development genes in songbirds

Wetter climates select for higher immune gene diversity in resident, but not migratory, songbirds

A sex chromosome inversion is associated with copy number variation of mitochondrial DNA in zebra finch sperm

Pre- and post-copulatory traits working in concert: sexual dichromatism in passerines is associated with sperm morphology

Divergent allocation of sperm and the seminal proteome along a competition gradient in Drosophila melanogaster

Extra‐pair paternity in birds

Parental genetic similarity and offspring performance in blue tits in relation to brood size manipulation

Telomere attrition predicts reduced survival in a wild social bird, but short telomeres do not