Results 71 to 80 of about 557 (139)

Birds and hard ticks (Acari: Ixodidae), with discussions about hypotheses on tick evolution [PDF]

open access: yes, 2017
The relationship between birds (Aves) and hard ticks (Ixodidae) was analyzed for the 386 of 721 tick extant species whose larva, nymph and adults are known as well as their natural hosts.
Guglielmone, Alberto, Nava, Santiago
core   +3 more sources

The evolution of nest site use and nest architecture in modern birds and their ancestors. [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci, 2023
Mainwaring MC   +5 more
europepmc   +1 more source

Feathered Dinosaurs Reconsidered: New Insights from Baraminology and Ethnotaxonomy [PDF]

open access: yes, 2018
Birds could not have evolved from land animal ancestors because Genesis clearly states that birds and land animals were created on separate days. As a result, young-earth creationists have consistently opposed the theory that birds evolved from dinosaurs.
McLain, Matthew   +2 more
core   +1 more source

A New Coelurosaurian Theropod from the La Buitrera Fossil Locality of Río Negro, Argentina [PDF]

open access: yes, 2012
A new coelurosaurian theropod, Alnashetri cerropoliciensis, is reported here based on articulated hind limbs of a single individual discovered at the locality of La Buitrera (Candeleros Formation, Cenomanian–Turonian), Río Negro Province, Argentina.
Apesteguía, Sebastián   +2 more
core   +1 more source

Exceptional Preservation of Non-Mineralized Biomaterials in Fossils of the Avialae Clade

open access: yes
Thousands of primitive and diverse fossils birds from Mesozoic and Cenozoic have been discovered around the world. Among these, hundreds of studies have found exceptional preservation of mineralized biomaterials, allowing to expand the knowledge about the ecology and Evolution of birds.
openaire   +1 more source

Deep time diversity and the early radiations of birds. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Yu Y, Zhang C, Xu X.
europepmc   +1 more source

Theropod dinosaurs from Argentina [PDF]

open access: yes, 2016
Theropoda incluye a todos los dinosaurios más cercanamente relacionados a las aves que a los sauropodomorfos (dinosaurios de cuello largo) y ornithisquios (dinosaurios con cadera de ave).
Ezcurra, Martin Daniel   +1 more
core  

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