Results 61 to 70 of about 3,425 (196)
Frontiers in Zoology, 2012 Background The avian glottis channels air from the oropharynx to the trachea and is situated on an elevated structure, the laryngeal mound. It is imperative that the glottis be protected and closed during swallowing, which in mammals is achieved by ...
Crole Martina R, Soley John T
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International Journal of Osteoarchaeology, Volume 35, Issue 5, Page 284-294, September/October 2025.ABSTRACT Agents of taphonomy can bias skeletal parts and the frequency of bones in archaeological sites. An important factor to consider is the possible effect of bone density‐mediated attrition on archaeornithological assemblages. We scanned willow ptarmigan (Lagopus lagopus) specimens using a Lunar iDXA and an enCcore small animal body add‐on to ...
Frank J. Dirrigl Jr. +1 more
wiley +1 more source
Improving Phylogenetic Signals of Mitochondrial Genes Using a New Method of Codon Degeneration
Life, 2020 Recovering deep phylogeny is challenging with animal mitochondrial genes because of their rapid evolution. Codon degeneration decreases the phylogenetic noise and bias by aiming to achieve two objectives: (1) alleviate the bias associated with nucleotide
Xuhua Xia
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Papers in Palaeontology, Volume 11, Issue 4, July/August 2025.Abstract The Wealden Group of southern England was deposited during the late Berriasian to early Aptian interval. It records a critical time in the development of iguanodontian dinosaur diversity, which increased from low levels during the Jurassic to higher levels in the Aptian and Albian. A new iguanodontian dinosaur, Istiorachis macarthurae gen.
Jeremy A. F. Lockwood +2 more
wiley +1 more source
Gastric impaction: an important health and welfare issue of growing ostriches
Agricultura Tropica et Subtropica, 2020 Ostrich farming serves as a source for meat, feathers, skin, eggs, and oil. In general, ostriches are hardy birds that can resist a wide range of climatic harshness and some diseases.
Irfan Muhammad +3 more
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EFSA Journal, Volume 23, Issue 7, July 2025.Abstract The emergence of highly pathogenic avian influenza (HPAI) A(H5N1), clade 2.3.4.4b, genotype B3.13 in U.S. dairy cattle marks a significant shift in the virus' host range and epidemiological profile. Infected cattle typically exhibit mild clinical signs, such as reduced milk production, mastitis and fever, with morbidity generally below 20% and
European Food Safety Authority (EFSA) +9 more
wiley +1 more source
The articulation of sauropod necks: methodology and mythology. [PDF]
PLoS ONE, 2013 Sauropods are often imagined to have held their heads high atop necks that ascended in a sweeping curve that was formed either intrinsically because of the shape of their vertebrae, or behaviorally by lifting the head, or both.
Kent A Stevens
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Determinación del sexo en aves [PDF]
, 2014 Traballo fin de grao (UDC.CIE ...
González Suurbach, Sofía
core
Ecology and Evolution, Volume 15, Issue 6, June 2025.We conducted large‐scale camera trapping across the Australian range of the southern cassowary and quantified habitat associations. Cassowary relative abundance peaked in intact rainforest areas with comparatively less rainfall, but also showed weak avoidance of humans.
Skye Elise Anderson +3 more
wiley +1 more source
Parasite Fauna of Ostriches, Emus and Rheas
Agricultura Tropica et Subtropica, 2012 In most parts of the world ratite farming (i.e. farming of ostriches, emus and rheas) is a new fi eld of livestock production. These birds are livestock with broad utilisation of their products.
Nemejc Karel, Lukesova Daniela
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