Results 81 to 90 of about 14,721 (222)
Predicting effects of environmental change on a migratory herbivore [PDF]
Changes in climate, food abundance and disturbance from humans threaten the ability of species to successfully use stopover sites and migrate between non-breeding and breeding areas.
Black, J.M. +6 more
core +1 more source
Winter Waterbird Community Composition and Use at Created Wetlands in West Virginia, USA
Information on nonbreeding waterbirds using created wetlands in the Central Appalachian region of the United States is limited. We compared waterbird communities of two managed wetlands, created in 2013 and 2001, in West Virginia.
Hannah L. Clipp +2 more
doaj +1 more source
Plasma metabolites reflect seasonally changing metabolic processes in a long-distance migrant shorebird (Calidris canutus) [PDF]
Migrant birds have tightly scheduled annual cycles consisting of several distinct life cycle (sub-)stages such as reproduction, migration, moult and overwintering, each of which have specific metabolic requirements (e.g., fattening during migration ...
Jenni, Lukas, +2 more
core +2 more sources
Does beak size affect acoustic frequencies in woodcreepers? [PDF]
We assessed the effect of beak morphology on the acoustic structure of woodcreeper (subfamily Dendrocolaptinae) songs using a comparative analysis of independent contrasts.
Palacios, María Gabriela +1 more
core +1 more source
Population and Spatial Dynamics of Resident Canada Geese in Southeastern Nebraska
In response to increasing populations, damage complaints, and a desire to understand population and spatial dynamics, we studied population size, survival rates, home ranges, movements, and site fidelity of female resident Canada geese (Branta canadensis)
Scott R. Groepper +5 more
doaj +1 more source
Eelgrass Distribution in the Great Bay Estuary 2007 [PDF]
Eelgrass has now, in 2007, almost totally disappeared from Little Bay and the Piscataqua River. Despite these critical losses in mid-estuary, eelgrass distribution in the Great Bay Estuary (GBE) as a whole between 2006 and 2007 experienced an overall ...
Short, Frederick T.
core +1 more source
1999年12月20日,江西鄱阳湖国家级自然保护区的科技人员在梅西湖进行水禽调查时发现一只加拿大雁(Branta canadensis)。在30×的单筒望远镜下观察,可清晰地看到此鸟头和颈黑色,下颈有一明显的白色颈环,喉部白色,上体深褐色且有苍白色条斑,喙、脚以及尾均为黑色。尾上覆羽白色。
赵金生, 宋相金
doaj
The Gydan Peninsula is one of the least explored and inaccessible Arctic regions in both the Yamalo-Nenetsky Autonomous Okrug and Russia as a whole. In 2016–2017 we conducted a survey of the Gydansky State Nature Reserve and adjacent areas, counted and ...
Sofia B. Rozenfeld +6 more
doaj +1 more source
The effect of traditional games in fundamental motor skill development in 7-9 year old boys [PDF]
Objective: The purpose of this study was to investigate the effect of traditional games on fundamental motor skills in seven to nine year-old boys.
Abdoli, Behroz +5 more
core
Environmental conditions during breeding modify the strength of mass-dependent carry-over effects in a migratory bird [PDF]
This is the final version of the article. Available from the publisher via the DOI in this record.In many animals, processes occurring in one season carry over to influence reproductive success and survival in future seasons.
Bearhop, S +7 more
core +1 more source

