Results 11 to 20 of about 2,900 (173)

Basal Anseriformes from the Early Paleogene of North America and Europe

open access: yesDiversity, 2023
We describe nearly complete skeletons of basal Anseriformes from the Latest Paleocene to the early Eocene of North America and Europe. Collectively, these birds appear to be representative of anseriforms near the divergence of Anhimae and Anseres, but ...
Peter Houde, Meig Dickson
exaly   +5 more sources

The extreme insular adaptation of Garganornis ballmanni Meijer, 2014: a giant Anseriformes of the Neogene of the Mediterranean Basin [PDF]

open access: yesRoyal Society Open Science, 2017
New skeletal elements of the recently described endemic giant anseriform Garganornis ballmanni Meijer, 2014 are presented, coming from the type-area of the Gargano and from Scontrone, southern and central Italy, respectively.
Hanneke Meijer   +2 more
exaly   +2 more sources

Host Species Contribution to the Spatiotemporal Dynamics of the 2024-2025 H5N1 Epidemic in Italy. [PDF]

open access: yesInfluenza Other Respir Viruses
ABSTRACT This study uses a phylodynamic approach to investigate host species contribution in the spatiotemporal dynamics of the highly pathogenic avian influenza A(H5N1) viruses of clade 2.3.4.4b identified during the 2024–2025 epidemic in Italy.
Savegnago E   +16 more
europepmc   +2 more sources

Habitat Suitability Assessment of Wintering Herbivorous Anseriformes in Poyang Lake, China

open access: yesDiversity, 2021
To design a good conservation strategy for herbivorous Anseriformes wintering in Poyang Lake, knowledge of habitat suitability is essential. Therefore, this study aimed to assess the habitat suitability of herbivorous Anseriformes of China’s Poyang Lake.
Megersa Tsegaye
exaly   +3 more sources

A peculiar anseriform (Aves: Anseriformes) from the Miocene of Gargano (Italy)

open access: yesComptes Rendus - Palevol, 2014
Abstract A new large representative of the Anseriformes, Garganornis ballmanni n. gen. et n. sp., from the Miocene of Gargano, Italy, is described from the distal end of a left tibiotarsus. G. ballmanni displays morphological features that are characteristic of the Anseriformes, but differs from all extant and fossil Anseriformes, as well as ...
Hanneke Meijer
exaly   +3 more sources

Detailed cytogenetic analysis of three duck species (the northern pintail, mallard, and common goldeneye) and karyotype evolution in the family Anatidae (Anseriformes, Aves) [PDF]

open access: yesВавиловский журнал генетики и селекции
Galliformes 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

Mechanism of Waterbird Diversity Succession and Its Contribution to Nutrient Loads in Chagan Lake, China [PDF]

open access: yesEcology and Evolution
Analyzing the spatiotemporal variation of waterbird diversity is important for wetland restoration and protection. However, further research is needed to investigate the mutual feedback between the mechanisms of waterbird diversity and water quality ...
Xuemei Liu   +3 more
doaj   +2 more sources

A new Paleogene fossil and a new dataset for waterfowl (Aves: Anseriformes) clarify phylogeny, ecological evolution, and avian evolution at the K-Pg Boundary. [PDF]

open access: yesPLoS ONE
Despite making up one of the most ecologically diverse groups of living birds, comprising soaring, diving and giant flightless taxa, the evolutionary relationships and ecological evolution of Anseriformes (waterfowl) remain unresolved.
Grace Musser, Julia A Clarke
doaj   +2 more sources

Population Genomics of the Critically Endangered Brazilian Merganser

open access: yesAnimals, 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]

open access: yesActa 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

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