Results 141 to 150 of about 1,108 (163)

An Extensive Survey of Vertebrate-specific, Nonvisual Opsins Identifies a Novel Subfamily, Q113-Bistable Opsin. [PDF]

Genome Biol Evol
Gyoja F, Sato K, Yamashita T, Kusakabe TG.   +3 more
europepmc   +1 more source

A remarkable assemblage of petroglyphs and dinosaur footprints in Northeast Brazil. [PDF]

Sci Rep
Troiano LP, Dos Santos HB, Aureliano T, Ghilardi AM.   +3 more
europepmc   +1 more source

Evolution of the avian skull:evolutionary drivers of modern bird diversity [PDF]

, 2019
Navalon, Guillermo
core  

Genomes, fossils, and the concurrent rise of modern birds and flowering plants in the Late Cretaceous. [PDF]

Proc Natl Acad Sci U S A
Wu S, Rheindt FE, Zhang J, Wang J, Zhang L, Quan C, Li Z, Wang M, Wu F, Qu Y, Edwards SV, Zhou Z, Liu L.   +12 more
europepmc   +1 more source

A Bird's-Eye View of Chromosomic Evolution in the Class Aves. [PDF]

Cells
O'Connor RE, Kretschmer R, Romanov MN, Griffin DK.   +3 more
europepmc   +1 more source

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Phylogeny and sex chromosome evolution of Palaeognathae

Journal of Genetics and Genomics, 2022
Many paleognaths (ratites and tinamous) have a pair of homomorphic ZW sex chromosomes in contrast to the highly differentiated sex chromosomes of most other birds. To understand the evolutionary causes for the different tempos of sex chromosome evolution, we produced female genomes of 12 paleognathous species and reconstructed the phylogeny and the ...
Wang, Zongji, Zhang, Jilin, Xu, Xiaoman, Witt, Christopher, Deng, Yuan, Chen, Guangji, Meng, Guanliang, Feng, Shaohong, Xu, Luohao, Szekely, Tamas, Zhang, Guojie, Zhou, Qi   +11 more
openaire   +3 more sources

Hindlimb bones texture through postnatal ages of Rhea americana (Aves: Palaeognathae)

Anatomia, Histologia, Embryologia, 2023
AbstractThe bone texture of Rhea americana was evaluated through the examination of a postnatal ontogenetic series. The hind limb bone surfaces of specimens of one, three and five months old, and adults were compared to characterize each stage according to the morphological features generated by their differential ossification.
M. B. J. Picasso, C. Acosta Hospitaleche   +1 more
openaire   +3 more sources

The evolution of tinamous (Palaeognathae: Tinamidae) in light of molecular and combined analyses

Zoological Journal of the Linnean Society, 2021
Abstract The Neotropical tinamous are of particular interest in our efforts to understand the evolution of modern birds. They inhabit both forested and open environments and, although volant, have limited flight capabilities. Numerous studies have recognized the monophyly of tinamous and their relationships either as sister to the ...
Cunha Almeida, Francisca, Porzecanski, Ana Luz, Cracraft, Joel, Bertelli, Sara Beatriz   +3 more
openaire   +2 more sources

The feeding apparatus of Rhea americana (Aves, Palaeognathae): Jaw myology and ontogenetic allometry

Journal of Morphology, 2023
AbstractIn birds, the jaw musculature is a crucial adaptive feature involved in feeding. The morphological traits and postnatal growth patterns of jaw muscles constitute a useful proxy to interpret feeding function and ecology. This study aims to describe the jaw muscles of Rhea americana and explore their postnatal growth pattern.
Mariana B. J. Picasso, Clelia Mosto, Alejandro M. Tudisca   +2 more
openaire   +3 more sources

The Hindlimb Muscles of Rhea americana (Aves, Palaeognathae, Rheidae)

Anatomia, Histologia, Embryologia, 2010
With 13 figuresSummaryThe Greater Rhea is the largest cursorial Ratitae bird native to South America. Due to its increasing importance in farming and therefore in the sustainable use of this species, a comprehensive knowledge of their anatomy is essential.
openaire   +2 more sources