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Numbers and Seasonal Distribution of the Western Population of the King Eider (Somateria spectabilis): Monitoring Organization in the Northern Seas of Russia
AbstractThe molting and wintering areas of the western King eider population ( Somateria spectabilis ) in the Barents, White, and Kara seas are...
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Survival and cause-specific mortality in adult females of a northern migratory ungulate
Survival of ungulates can vary seasonally due to changing environmental conditions, e.g. weather or predation pressure. The wild forest reindeer ( Rang...
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Winter and Spring Records of Bats from Kemerovo Oblast
AbstractFive species of bats have been revealed from surveys in three caves and one adit in Kemerovo oblast, Western Siberia. The study area covers a...
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Neighbourhood threats: landscape context and anthropogenic changes can trigger waterbird population collapse
ContextGlobal biodiversity decreases rapidly, driven by various factors ranging from climate change to anthropogenic activities. Identifying driving...
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The Biological Features of Pacific Herring (Clupea pallasii) and Prospects for the Current Herring Fishery on the Shelf of the Southern Kuril Islands
AbstractThe biological characteristics of Pacific herring and the dynamics of herring stocks and fishery in the Southern Kuril fishery zone are...
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Diverse natal dispersal in four sibling red kites originating from Austria, including wintering in Tunisia
Four red kites ( Milvus milvus ), (siblings, RK1, RK2, RK3 and RK4) from the same nest in north-eastern Austria were tagged with telemetry...
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Moult, sex and food are the most important factors regulated the timing of migration of north Asian Passerines
Bird migration is a highly complex, regulated process, of which timing is an essential element. The timing of migration is influenced by moult, age,...
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Relations between the Leukocyte Profile and the Energy State, Hematocrit, and Blood Metabolites in the Great Tit (Parus major)
AbstractThe health of animal populations can reflect ongoing changes in their environment. Various physiological parameters can be used to assess...
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Multi-isotope (δ2H, δ13C, δ15N) feather profiles and morphometrics inform patterns of migratory connectivity in three species of North American swallows
Aerial insectivorous birds have suffered steep population declines in North America over the last 60 years. A lack of information on migratory...
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Seasonal Migrations and Population Dynamics of the Long-Eared Owl (Asio otus, Strigiformes, Strigidae) Based on 60-Year-Long Trap** and Ringing in the Eastern Baltic
AbstractBased on the results of trap** and ringing long-eared owls on the Curonian Spit in Kaliningrad oblast in the amount of 3391 individuals...
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The Age Composition and Postmetamorphic Growth Characteristics of the Moor Frog (Rana arvalis) from Habitats with a Short Activity Season
AbstractThe between-population and sexual differences in demographic and postmetamorphic growth characteristics were studied in Rana arvalis from...
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Land cover and NDVI are important predictors in habitat selection along migration for the Golden-crowned Sparrow, a temperate-zone migrating songbird
BackgroundMigrating passerines in North America have shown sharp declines. Understanding habitat selection and threats along migration paths are...
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Timing is critical: consequences of asynchronous migration for the performance and destination of a long-distance migrant
BackgroundMigration phenology is shifting for many long-distance migrants due to global climate change, however the timing and duration of migration...
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Testing pigeon control efficiency by different methods in urban industrial areas, Hungary
The development of cities and urban sprawl has made room for wildlife inhabiting human environments. Among birds, feral pigeons ( Columba livia...
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Migration, Movements, and Non-breeding Ecology
Little bustard seasonal movements are complex. Besides the long known fully long-distance migratory populations (i.e. those of western France,...
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Migration routes and timing of European Nightjars (Caprimulgus europaeus) breeding in eastern Mongolia
The phenology and routes of long-distance migrations of European Nightjars are well described for Western European individuals migrating within the...
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Food limitation modulates the endogenous control of spring migratory behavior in a captive long-distance migratory bird population
AbstractThe onset of spring migratory behavior in birds is thought to be controlled by a rigid endogenous schedule as a result of selection to time...
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The Yellow-Breasted Bunting Ocyris aureolus (Pallas, 1773) (Aves, Passeriformes) in Northern European Russia
AbstractOur studies of the distribution and abundance of the yellow-breasted bunting ( Ocyris aureolus ) were carried out on the territory of...
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An invasive alien bivalve apparently provides a novel food source for moulting and wintering benthic feeding sea ducks
Since its introduction from North America in the 1970s, the American razor clam Ensis leei (M. Huber, 2015) has successfully spread throughout North...
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Revealing different migration strategies in a Baltic Common Tern (Sterna hirundo) population with light-level geolocators
The Common Tern ( Sterna hirundo ) is one of Germany’s farthest migrating bird species. Ringing studies have shown the use of the East Atlantic flyway,...
