Inheritance and variation in eggshell patterning in the great tit Parus major.

Cryptic genetic variation and paraphyly in ravens.

Waiting time to parapatric speciation.

Molecular and morphological evidence on the phylogeny of the Elephantidae.

Axial and appendicular pneumaticity in Archaeopteryx.

Are avian blood parasites pathogenic in the wild? A medication experiment in blue tits (Parus caeruleus).

Antigenic role of the endosymbionts of filarial nematodes: IgG response against the Wolbachia surface protein in cats infected with Dirofilaria immitis.

Intraspecific phylogenetic congruence among multiple symbiont genomes.

A mechanistic link between parasite resistance and expression of a sexually selected trait in a damselfly.

Human fertility variation, size-related obstetrical performance and the evolution of sexual stature dimorphism.

'Sloppy' sperm mixing and intraspecific variation in sperm precedence (P2) patterns.

Extra-pair paternity as the result of reproductive transactions between paired mates.

Male-male competition and parental care in collared flycatchers (Ficedula albicollis): an experiment controlling for differences in territory quality.

Early exposure leads to repeatable preferences for male song in female zebra finches.

Attentional diversion during adaptation affects the velocity as well as the duration of motion after-effects.

Errata