One measure of habitat quality is a species' demographic performance in a habitat and the
gold standard metric of performance is reproduction. Such a measure, however, may be …

Early-life conditions may impact an individual's ability to survive long enough to reach
breeding age as well as its lifetime reproductive success (LRS). We examined how different …

Birds of prey are difficult to study and the status and distribution of many species is poorly
known. As top predators usually occurring at low densities, raptors may be particularly …

Individuals of the same population with differing melanin plumage colouration can respond
differently through fitness to environmental stressors. In a local population of Tawny Owls …

Swainson's Hawks are a long-lived migratory species that breed throughout North America.
Swainson's Hawks frequently forage and nest in modified-agriculture landscapes, which …