Numerous studies have shown that climate change affects the timing of migration and bird
laying dates, but the resulting changes in the duration of breeding seasons and their fitness …

Although certain metals can reach their highest concentrations in tissues of newly hatched
nestlings, their sources have yet to be fully elucidated. Evidence for the differentiation of …

Weather is an important factor affecting many aspects of avian ecology, yet its importance for
survival during various periods of the avian annual cycle has received relatively little …

Abstract The Eurasian Harvest Mouse is the smallest rodent of Eurasia, inhabiting mostly
areas with tall grasses, including reedbeds. Its food consists of mostly various plants (chiefly …

Alternative mating strategies, involving mating outside a social pair bond, have been studied
intensively during the last few decades. However, we are still far from understanding what …

Effective management of wildlife populations rely on knowledge of their abundance,
survival, and reproductive rates. Maintaining long‐term studies capable of estimating …

Proper ageing of the young birds is crucial in all studies examining age-related
characteristics of nestlings and parental effort at the nestling stage. When nests are found …

Reports of physical abnormalities in wild bird populations are rare and often anecdotal,
whereas reliable estimates of their frequency are important to understand the strength of …

To monitor male and female bird nest attendance, the traditional methods are physical
markings for identification. This paper presents two methods-Principal Component Analysis …

The cost–benefit approach to nest defence behaviour is based on an assumption that
parents are able to distract potential predators away from their nest. However, this …