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Article
Open AccessSuccessful invasion: camera trap distance sampling reveals higher density for invasive raccoon dog compared to native mesopredators
Monitoring population parameters of invasive species gains importance as these species continue to expand all over the world. Monitoring of invasive mammalian mesopredators is, however, complicated due to thei...
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Article
Open AccessInvasive species control with apex predators: increasing presence of wolves is associated with reduced occurrence of the alien raccoon dog
The role of an alien predator in the community depends on its interaction with native predators. The absence of apex predators may facilitate outbreaks of invasive mesopredators, but the effect of apex predato...
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Article
Sex-dependent responses to increased parental effort in the pied flycatcher
The optimal number of offspring for males and females may differ, as males and females invest differently in different aspects of reproduction. This creates potential for a sexual conflict leading to reduced r...
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Article
Foster, but not genetic, father plumage coloration has a temperature-dependent effect on offspring quality
Secondary sexual characters have most likely evolved through sexual selection because such traits indicate the genetic or phenotypic quality of the bearer. While genetic variation in such fitness-related trait...
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Article
Fluctuating selection and immigration as determinants of the phenotypic composition of a population
It is important to identify the factors that affect the evolutionary potential of populations to respond to environmental changes. Such processes are for example the ones affecting the amount of heritable phen...
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Article
Breeding time trends of the Crested Tit (Lophophanes cristatus) in southern Finland: comparison of data sources
We analyzed temporal and spatial variation in timing of breeding of a highly resident bird species, the Crested Tit (Lophophanes cristatus), over the past 86 years in southern Finland. Besides describing temporal...
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Article
Candidate genes for colour and vision exhibit signals of selection across the pied flycatcher (Ficedula hypoleuca) breeding range
The role of natural selection in sha** adaptive trait differentiation in natural populations has long been recognized. Determining its molecular basis, however, remains a challenge. Here, we search for signa...
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Article
Population fragmentation leads to isolation by distance but not genetic impoverishment in the philopatric Lesser Kestrel: a comparison with the widespread and sympatric Eurasian Kestrel
Population fragmentation is a widespread phenomenon usually associated with human activity. As a result of habitat transformation, the philopatric and steppe-specialist Lesser Kestrel Falco naumanni underwent a s...
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Article
Influence of exteroceptive contextual conditions upon internal drug stimulus control
Rats were trained in a spatial T-maze discrimination either in a drugged (D=pentobarbital, 17.5 mg/kg) or in a non-drugged (N=saline) state (drug discrimination learning). Either of two external discriminative...