The physiological processes that underlie the reproductive cycle impose considerable
metabolisable protein (MP) demands on a female, especially during the periparturient …

Parasitism is a common cause of host mortality, but little is known about the ecological
factors affecting parasite virulence (the rate of mortality among infected hosts). We reviewed …

Social status is an important predictor of parasite risk in vertebrates. To date, general
frameworks to explain status-related variation in parasitism have remained elusive. In this …

Avian malaria is a common mosquito-transmitted disease of wild birds that is caused by
protozoan parasites in the genus Plasmodium. Infections are caused by a complex of more …

Although gene by environment interactions may play a key role in the maintenance of
genetic polymorphisms, little is known about the ecological factors involved in these …

Trichomonas gallinae is an emerging pathogen in wild birds, linked to recent declines in
finch (Fringillidae) populations across Europe. Globally, the main hosts for this parasite are …

The three subspecies of Spotted Owl (Northern, Strix occidentalis caurina; California, S. o.
occidentalis; and Mexican, S. o. lucida) are all threatened by habitat loss and range …

Despite its recognition as an important source of variation in recruitment probability, the
ecological processes leading to mortality between fledging and independence are poorly …

Reproduction in seasonal environments is usually timed so peak demand for food by
offspring coincides with peak availability. Hence, late breeders will encounter a scarcity of …

Pathogen-induced host phenotypic changes are widespread phenomena that can
dramatically influence host–vector interactions. Enhanced vector attraction to infected hosts …