Results 91 to 100 of about 14,721 (222)

Anthropogenically-induced population increases in sympatric breeding arctic geese incur apparent competition consequences

Wildfowl
Populations of Lesser Snow Geese Anser caerulescens caerulescens and Cackling Geese Branta hutchinsii have increased substantially since the mid-20th century because of their utilisation of agricultural crops as a food resource on their wintering grounds.
Clark Nissley, Christopher K. Williams, Kenneth F. Abraham, Kelly Russo-Petrick   +3 more
doaj  

我国珍稀保护动物 鸟类(三) 雁形目

野生动物学报, 1986
六、雁形目本目主要特点是脚适于游泳;嘴通常平扁,先端具嘴甲;雄鸟具交接器。全球有146种,我国有46种。红胸黑雁 （Branta ruficollis） 属鸭科（Anatidae）,英名为 Red-breastedGoose。体长约550毫米。本种主要特征是前颈至胸栗棕色,头顶、后颈均黑。此黑雁是典型的北极海洋鸟类,能耐严寒,喜栖于海湾。
谭耀匡
doaj  

Diel pattern of corticosterone metabolites in Arctic barnacle goslings (Branta leucopsis) under continuous natural light.

PLoS ONE, 2017
Here we describe the excretion pattern of corticosterone metabolites collected from droppings in barnacle goslings (Branta leucopsis) raised under 24 hours of continuous natural light in the Arctic.
Isabella B R Scheiber, Margje E de Jong, Jan Komdeur, Elisabeth Pschernig, Maarten J J E Loonen, Eva Millesi, Brigitte M Weiß   +6 more
doaj   +1 more source

The Emperor Goose: An Annotated Bibliography [PDF]

, 1996
This bibliography contains more than 500 published and unpublished references relevant to the emperor goose (Chen canagica). The referenced works date from the early exploration of Beringia and Alaska through the formal description of the species in ...
Petersen, Margaret R., Rockwell, Robert F., Schmutz, Joel A.   +2 more
core  

Handbuch der Oologie. [PDF]

v.1:Lf.13(p.769 ...
Meise, W., Sch\uf6nwetter, Max 1874-1961   +1 more
core   +2 more sources

Eelgrass Distribution in the Great Bay Estuary for 2013 [PDF]

, 2014
Executive Summary Headlines: o Great Bay lost 21% of its eelgrass from 2012 to 2013. o As of 2013, the Great Bay Estuary has lost 50% of its eelgrass since 1996.
Short, Frederick T.
core   +2 more sources

Effect of 2020–21 and 2021–22 Highly Pathogenic Avian Influenza H5 Epidemics on Wild Birds, the Netherlands

Emerging Infectious Diseases
The number of highly pathogenic avian influenza (HPAI) H5-related infections and deaths of wild birds in Europe was high during October 1, 2020–September 30, 2022. To quantify deaths among wild species groups with known susceptibility for HPAI H5 during
Valentina Caliendo, Erik Kleyheeg, Nancy Beerens, Kees C.J. Camphuysen, Rommert Cazemier, Armin R.W. Elbers, Ron A.M. Fouchier, Leon Kelder, Thijs Kuiken, Mardik Leopold, Roy Slaterus, Marcel A.H. Spierenburg, Henk van der Jeugd, Hans Verdaat, Jolianne M. Rijks   +14 more
doaj   +1 more source

Integrated damage management reduces grazing of wild rice by resident Canada geese in New Jersey

Wildlife Society Bulletin, 2014
Tidal freshwater marshes of the Maurice River, New Jersey, USA, have been long renowned for robust stands of wild rice (Zizania aquatica). During the 1990s, these marshes experienced an apparent decline in wild rice.
Theodore C. Nichols
doaj   +1 more source

Een pilotstudie naar de interacties tussen broedende weidevogels en Brandganzen [PDF]

, 2010
De voor Nederland zo typerende natte graslanden van het laagveen- en zeekleigebied worden momenteel bevolkt door twee karakteristieke groepen vogels. Hun habitatvoorkeur komt sterk overeen, maar voor het overige verschillen ze duidelijk van elkaar. De in
Bos, D., Kleijn, D.
core   +1 more source

Eelgrass Distribution in the Great Bay Estuary for 2014 [PDF]

, 2016
See also: Eelgrass/Macroalgae Discussion Primer for TAC Activities 2016-2017 http://scholars.unh.edu/prep/355 Eelgrass (Zostera marina L.) is an essential habitat for the Great Bay Estuary (GBE) because it is the basis of an estuarine food web that ...
Short, Frederick T.
core   +2 more sources