Reproductive behaviors of vertebrates are often underpinned by temporal patterns of
hormone secretion. We investigated interspecific patterns of circulating testosterone in male …

To understand interspecific patterns in the strength of sexual selection, variation in the costs
and benefits of exercising mate choice needs to be evaluated. One manifestation of sexual …

We studied the timing and frequency of extra-pair copulations and extra-pair fertilizations in
the Black-legged Kittiwake (Rissa tridactyla), a socially monogamous seabird that breeds in …

We studied the association between extrapair paternity (EPP) rate and male mating status in
the rock sparrow, Petronia petronia, a facultative polygynous species. Overall …

Highlights•Many species breed in clusters that do not reflect underlying resource
distributions.•Colonial, lekking and socially monogamous territorial species form …

Seabirds are long-lived birds that exhibit very high levels of parental investment, and male
parental care is indispensable. Seabirds have comparable breeding and life history …

Despite a great number of studies on extra-pair paternity in birds, the actual roles of males
and females in extra-pair contacts is poorly understood, as detailed behavioural studies …

Genealogical relationships among colony members, inbreeding status, and presence of
hybrids are crucial data that can assist zoo curators in captive colony management and …

We investigated the paternity of 39 Adélie penguins (Pygoscelis adeliae) hatched at the Port
of Nagoya Public Aquarium between 1995 and 2005 breeding seasons using microsatellite …

The incidence of extra‐pair paternity and egg dumping was investigated in a colony of
common terns (Sterna hirundo), a colonial seabird, in the Venetian lagoon. Ten families …