Results 131 to 140 of about 536 (178)

The incredible shrinking puffin: Decreasing size and increasing proportional bill size of Atlantic puffins nesting at Machias Seal Island. [PDF]

PLoS One
Major HL, Rivers JE, Carvey QB, Diamond AW.   +3 more
europepmc   +1 more source

Современный статус полярной крачки Sterna paradisaea в Малоземельской тундре

Русский орнитологический журнал, 2005
openaire   +1 more source

Avian influenza annual report 2023. [PDF]

EFSA J
European Food Safety Authority (EFSA), Abrahantes JC, Aznar I, Catalin I, Kohnle L, Mulligan KF, Mur L, Stoicescu A, van Houtum A, Zancanaro G.   +9 more
europepmc   +1 more source

О гнездовании полярной крачки Sterna paradisaea на крупных водоёмах Карелии

Русский орнитологический журнал, 2015
openaire   +1 more source

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Measuring the Daily Energy Expenditure of Free-Living Arctic Terns (Sterna paradisaea)

Auk, 1994
Measurement of the energy expenditure of freeliving birds plays an important role in many kinds of ecological and behavioral studies. For example, the concept of reproductive effort has become central to the study of the limits to reproductive output and, in particular, to whether and how effort can affect survival, future breeding attempts, and ...
Pat Monaghan
exaly   +2 more sources

Significant decline observed in Arctic Tern Sterna paradisaea population in northwest Greenland

Seabird Journal, 2017
Arctic Terns Sterna paradisaea are an understudied species in Greenland. Outside of the largest colonies, little is known about their current population status and no long-term annual monitoring program has been established. Previous surveys outside of key breeding colonies have been limited to a small number of colonies for single-season studies. This
Kurt K Burnham, Johnson Jeff A
exaly   +2 more sources

Incubation behaviour of Arctic (Sterna paradisaea) and Antarctic (Sterna vittata) terns under disturbance by humans and predators

Polar Biology, 2023
Inkubační chování rybáka dlouhoocasého na Špicberkách a rybáka jižního v Antarktidě bylo studováno vždy na dvojicí lokalit lišících se intenzitou antropogenního vyrušování a predačním tlakem. Analýza 24-hodinových video záznamů ukázala celkově nižší přítomnost na hnízdě, kratší inkubační směny, kratší celkový čas věnovaný spánku, kratší úseky spánku a ...
Tereza Hromádková, Václav Pavel, Karel Weidinger   +2 more
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Parasites of Common (Sterna hirundo) and Arctic (Sterna paradisaea) Terns (Charadriiformes, Laridae) in Karelia

Biology Bulletin, 2020
The fauna of parasites of Common (Sterna hirundo) and Arctic (Sterna paradisaea) terns obtained during the spring hunting period of 2013–2015 on the coast of Lake Ladoga has been studied. We found 15 species of parasites of various systematic groups: Cestoda (six species), Trematoda (four species), Nematoda (two species), Acanthocephala (two species ...
D. I. Lebedeva, G. A. Yakovleva, A. V. Artem’ev   +2 more
openaire   +1 more source

The Effects of Fluctuating Food Availability on Breeding Arctic Terns (Sterna paradisaea)

Auk, 1997
exaly   +2 more sources

Responses of nesting Arctic terns (Sterna paradisaea) to disturbance by humans

Polar Biology, 2020
Nesting birds often respond to human disturbance as to a predatory act. In the case of the high Arctic, the disturbance of incubating birds may bring further complications due to egg cooling. In addition, it is assumed that birds in the high Arctic are not shy and do not respond to human presence fearfully.
Michaela Syrová, Tereza Hromádková, Václav Pavel, Petr Veselý   +3 more
openaire   +1 more source