Peter Samaš
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View article: Year‐Round Evaluation of the Conservation Potential of Seed‐Rich Field Margins Under Agri‐Environmental Schemes for Farmland Birds, European Hares, and Common Hamsters
Year‐Round Evaluation of the Conservation Potential of Seed‐Rich Field Margins Under Agri‐Environmental Schemes for Farmland Birds, European Hares, and Common Hamsters Open
Field margins on arable land, such as seed‐rich strips (SRS), are an important and widely implemented conservation measure under agri‐environment schemes. They are intended to contribute to the provision of scarce food resources and shelte…
View article: Cryptosporidium, Microsporidia and Giardia infections in endangered mountain gorillas inhabiting Virunga Massif
Cryptosporidium, Microsporidia and Giardia infections in endangered mountain gorillas inhabiting Virunga Massif Open
The number of mountain gorillas (Gorilla beringei beringei) has grown steadily in recent decades thanks to intensive conservation efforts. But as they live in restricted areas, they experience changes in population dynamics and pathogen ep…
View article: Untangling parasite epidemiology of mountain gorillas through historical samples: Strongylid nematodes are friends or foe?
Untangling parasite epidemiology of mountain gorillas through historical samples: Strongylid nematodes are friends or foe? Open
View article: Dispersal rather than climate and local environment constrains non‐marine snail fauna in west Greenland
Dispersal rather than climate and local environment constrains non‐marine snail fauna in west Greenland Open
The biota of North Atlantic islands evokes intriguing questions on its evolution, colonisation routes, and an equilibrium between dispersal limitation and climatic/habitat constraints. While good data on non‐marine snails exist for most of…
View article: The number of brood parasite visits affects subsequent aggression towards the parasite dummy in host males, but not in females
The number of brood parasite visits affects subsequent aggression towards the parasite dummy in host males, but not in females Open
Aggression towards brood parasites is an important component of host frontline defences. Hosts sometimes adjust this behaviour based on their previous experience with the parasites. Here, we explore whether host aggression towards the para…
View article: Can nest design hinder brood parasitism success?
Can nest design hinder brood parasitism success? Open
Avian nest design varies depending on environmental factors but may also be influenced by between‐species interactions. In the brood parasitism context, hosts may evolve nest architectures that may limit parasite access to the nest cup, re…
View article: Egg rejection from dark cavities: compensation for chromatic changes in nest illumination by a cuckoo host
Egg rejection from dark cavities: compensation for chromatic changes in nest illumination by a cuckoo host Open
Rejection of foreign eggs is an effective defence against brood parasitism in birds. Colourful egg stimuli are among the most important cues for recognition, but varying ambient light conditions can potentially affect the decision-making p…
View article: Anoplocephalid tapeworms in mountain gorillas (<i>Gorilla beringei beringei</i>) inhabiting the Volcanoes National Park, Rwanda
Anoplocephalid tapeworms in mountain gorillas (<i>Gorilla beringei beringei</i>) inhabiting the Volcanoes National Park, Rwanda Open
Cestodes of the family Anoplocephalidae parasitize a wide range of usually herbivorous hosts including e.g. rodents, ungulates, primates, elephants and hyraxes. While in some hosts, the epidemiology of the infection is well studied, inform…
View article: The opportunistic protist, <i>Giardia intestinalis</i> , occurs in gut-healthy humans in a high-income country
The opportunistic protist, <i>Giardia intestinalis</i> , occurs in gut-healthy humans in a high-income country Open
Giardia intestinalis, a cosmopolitan gastrointestinal protist, is detected mainly in patients with clinical giardiasis in high-income countries. In contrast, there is very little information on the presence of Giardia in asym…
View article: Factors influencing low incidence of double brooding in the Great Reed Warbler
Factors influencing low incidence of double brooding in the Great Reed Warbler Open
Double brooding, the laying of a second clutch after successfully fledging young from a first nest in a season, is a common reproductive strategy among short-lived birds to increase annual breeding success. Nevertheless, there is widesprea…
View article: The opportunistic protist, <i>Giardia intestinalis</i>, occurs in gut-healthy humans in a high-income country
The opportunistic protist, <i>Giardia intestinalis</i>, occurs in gut-healthy humans in a high-income country Open
Giardia intestinalis, a cosmopolitan gastrointestinal protist, is detected mainly in patients with clinical giardiasis in high-income countries. In contrast, there is very little information on the presence of Giardia in asym…
View article: Chigger mite (Acariformes: Trombiculidae) infestation in reed passerine birds in Central Europe: a case of the bearded tit<i>Panurus biarmicus</i>
Chigger mite (Acariformes: Trombiculidae) infestation in reed passerine birds in Central Europe: a case of the bearded tit<i>Panurus biarmicus</i> Open
Larval trombiculid (chigger) mites are common ectoparasites of terrestrial vertebrates including humans, causing itching and skin inflammation known as trombiculiasis. Investigation of their diversity, distribution and seasonal abundance i…
View article: A Cross-Sectional Study on the Occurrence of the Intestinal Protist, Dientamoeba fragilis, in the Gut-Healthy Volunteers and Their Animals
A Cross-Sectional Study on the Occurrence of the Intestinal Protist, Dientamoeba fragilis, in the Gut-Healthy Volunteers and Their Animals Open
Dientamoeba fragilis is a cosmopolitan intestinal protist colonizing the human gut with varying prevalence depending on the cohort studied and the diagnostic methods used. Its role in human health remains unclear mainly due to the very spo…
View article: Ecological drivers of helminth infection patterns in the Virunga Massif mountain gorilla population
Ecological drivers of helminth infection patterns in the Virunga Massif mountain gorilla population Open
View article: A Meta-Analysis of Avian Egg Traits Cueing Egg-Rejection Defenses Against Brood Parasitism
A Meta-Analysis of Avian Egg Traits Cueing Egg-Rejection Defenses Against Brood Parasitism Open
The capability of hosts to reject the odd egg from their nest is one of the key defenses against avian brood parasitism. Considerable research effort has been devoted to exploring which phenotypic traits of eggshells facilitate to cue the …
View article: Heterogeneity in patterns of helminth infections across populations of mountain gorillas (Gorilla beringei beringei)
Heterogeneity in patterns of helminth infections across populations of mountain gorillas (Gorilla beringei beringei) Open
Conservation efforts have led to the recovery of the endangered mountain gorilla populations. Due to their limited potential for spatial expansion, population densities increased, which may alter the epidemiology of infectious diseases. Re…
View article: Multiple costs are relevant for evolution of host anti-parasite defences. Reply to Yang C <i>et al</i> . (2018).
Multiple costs are relevant for evolution of host anti-parasite defences. Reply to Yang C <i>et al</i> . (2018). Open
View article: Rearing a virulent common cuckoo is not extra costly for its only cavity-nesting host
Rearing a virulent common cuckoo is not extra costly for its only cavity-nesting host Open
Virulent brood parasites refrain from arduous parental care, often kill host progeny and inflict rearing costs upon their hosts. Quantifying the magnitude of such costs across the whole period of care (from incubation through to parasite f…
View article: Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients
Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients Open
Brood parasites lay their eggs in other females' nests, leaving the host parents to hatch and rear their young. Studying how brood parasites manipulate hosts into raising their young and how hosts detect parasitism provide important insigh…
View article: Unusual diet of brood parasitic nestlings and its fitness consequences
Unusual diet of brood parasitic nestlings and its fitness consequences Open
Avian brood parasitism provides a tractable system within which to study diverse aspects of animal ecology and evolution. Yet, parasite–host research has focused on specific adaptations and counter-adaptations, such as egg rejection by hos…
View article: Egg discrimination along a gradient of natural variation in eggshell coloration
Egg discrimination along a gradient of natural variation in eggshell coloration Open
Accurate recognition of salient cues is critical for adaptive responses, but the underlying sensory and cognitive processes are often poorly understood. For example, hosts of avian brood parasites have long been assumed to reject foreign e…
View article: Supplementary material from "Egg discrimination along a gradient of natural variation in eggshell coloration"
Supplementary material from "Egg discrimination along a gradient of natural variation in eggshell coloration" Open
Accurate recognition of salient cues is critical for adaptive responses, but the underlying sensory and cognitive processes are often poorly understood. For example, hosts of avian brood parasites have long been assumed to reject foreign e…
View article: First-Time Migration in Juvenile Common Cuckoos Documented by Satellite Tracking
First-Time Migration in Juvenile Common Cuckoos Documented by Satellite Tracking Open
Being an obligate parasite, juvenile common cuckoos Cuculus canorus are thought to reach their African wintering grounds from Palearctic breeding grounds without guidance from experienced conspecifics but this has not been documented. We u…
View article: Growth Performance of Nestling Cuckoos<i>Cuculus canorus</i>in Cavity Nesting Hosts
Growth Performance of Nestling Cuckoos<i>Cuculus canorus</i>in Cavity Nesting Hosts Open
Generalist brood parasites, like Common Cuckoos Cuculus canorus, target many host species. Why other sympatric hosts are not used, or actively avoided, remains one of the main gaps in our understanding of parasite-host coevolution. Cavity …
View article: The common redstart as a suitable model to study cuckoo-host coevolution in a unique ecological context
The common redstart as a suitable model to study cuckoo-host coevolution in a unique ecological context Open
View article: Now you see it, now you don't: flushing hosts prior to experimentation can predict their responses to brood parasitism
Now you see it, now you don't: flushing hosts prior to experimentation can predict their responses to brood parasitism Open
Brood parasitic birds lay their eggs in other birds' nests, leaving hosts to raise their offspring. To understand parasite-host coevolutionary arms races, many studies have examined host responses to experimentally introduced eggs. However…