Results 21 to 30 of about 4,180 (152)
Detailed cytogenetic analysis of three duck species (the northern pintail, mallard, and common goldeneye) and karyotype evolution in the family Anatidae (Anseriformes, Aves) [PDF]
Вавиловский журнал генетики и селекцииGalliformes and Anseriformes are two branches of the Galloanserae group, basal to other Neognathae. In contrast to Galliformes, Anseriformes have not been thoroughly researched by cytogenetic methods.
V. R. Beklemisheva +9 more
doaj +2 more sources
Population Genomics of the Critically Endangered Brazilian Merganser
Animals, 2023 The Brazilian merganser (Mergus octosetaceus) is one of the most endangered bird species in South America and comprises less than 250 mature individuals in wild environments.
Davidson P. Campos +4 more
doaj +1 more source
The oldest diving anseriform bird from the late Eocene of Kazakhstan and the evolution of aquatic adaptations in the intertarsal joint of waterfowl [PDF]
Acta Palaeontologica Polonica, 2020 A specialized diving lifestyle has repeatedly evolved in several lineages of modern and fossil waterfowl (Anseriformes), with the oldest previously known representative being the late Oligocene Australian oxyurine ducks Pinpanetta.
Nikita Zelenkov
doaj +1 more source
Helminthologia, 2021 In the Czech Republic, 12 freshly dead birds belonging to four species were examined helminthologically during a period of 2015 – 2019. They were six Caspian gulls Larus cachinnans (Lariformes), three goosanders Mergus merganser (Anseriformes), two ...
Sitko J.
doaj +1 more source
Animals, 2023 The genus Sarcocystis is a group of numerous protozoan parasites having a two-host life cycle. Based on laboratory experiments and/or phylogenetic analysis results it was shown that seven Sarcocystis spp.
Petras Prakas +6 more
doaj +1 more source
Nestling Phenology of Anseriformes in the Baikal Siberia Region, Russia
Юг России: экология, развитие, 2020 Aim. The goal was to aggregate data on the nesting phenology of the range of Anseriformes in the Baikal Siberia region – using the example of Lake Baikal itself.Material and methods. In preparing the materials we used data from our own observations based
E. N. Badmaeva +5 more
doaj +1 more source
The Journal of Poultry Science, 2014 To better understand the process of karyotype evolution in Galloanserae (Galliformes and Anseriformes), we performed comparative chromosome painting with chicken chromosome-specific DNA probes and FISH mapping of the 18S-28S ribosomal RNA (rRNA) genes ...
Fhamida B. Islam +6 more
doaj +1 more source
RUDN Journal of Ecology and Life Safety, 2017 In true article results of researches of number and placing of Anseriformes in southern Baraba and northern Kulunda are resulted: the structure of the population and connection of population density with morfo-ecological parametres of reservoirs in early-
Andrey V Bazdyrev, Evgeniy B Murzakhanov
doaj +1 more source
Current Research in Parasitology and Vector-Borne Diseases, 2022 Four species of the Eimeriidae, Eimeria anatis Scholtyseck, 1955, Eimeria aythyae Farr, 1965, Eimeria krylovi Svanbaev & Rakhmatullina, 1967 and Tyzzeria perniciosa Allen, 1936, were morphologically identified from oöcysts recovered from a Pacific ...
Bruno P. Berto +5 more
doaj +1 more source
Expanding the knowledge of Ruddy Shelduck (Tadorna ferruginea Pallas, 1764) distribution in Serbia: New findings and implications for conservation [PDF]
Kragujevac Journal of ScienceThe Ruddy Shelduck (Tadorna ferruginea) is a vagrant passage and wintering species whose presence and distribution in Serbia have been inadequately studied. This study presents new findings of T.
Nikolić Marko Lj., Medenica Ivan J.
doaj +1 more source