In facultative partial migrants some individuals in a population are migratory and others are resident and individuals decide each year anew which strategy to choose. While the proportion of birds migrating is in part determined by environmental conditions and competitive abilities, the timing of individual departure and behaviours on route are little understood. Individuals encounter different...

White collar crime is the least studied and the least understood crime type in comparison to traditional crime types. This review highlights the recent developments in the state of knowledge over the white collar criminals. The review concerns the topics of demography, motivation for offending and career criminality among white collar criminals. It compiles the international results (mainly Wes...

Body size and mass of 1,458 juvenile 558 adult Knots were measured during autumn migration in Puck Bay, Poland, between 1983 1999. The measurements fit well with those gathered along the route Siberian Calidris c. canutus. All linear adults, except body adjusted for size, significantly higher than juveniles. Shorter wing juveniles adults seems to be a general rule regardless geographical region...

Very little is known on white-collar crime and how it differs to other forms of offending. This study tests the hypothesis that white-collar criminals have better executive functioning, enhanced information processing, and structural brain superiorities compared with offender controls. Using a case-control design, executive functioning, orienting, and cortical thickness was assessed in 21 white...