Results 111 to 120 of about 666 (205)

Counter‐factual simulation highlights requirements for additional management to avert extinction of a relict Tītī/Sooty Shearwater population

open access: yesIbis, EarlyView.
Seabirds play key ecological roles but face increasing threats worldwide. Among them, Tītī (Sooty Shearwater) Ardenna grisea are among the most abundant and culturally significant species in the Southern Hemisphere but are also threatened. Kapiti Island, Aotearoa (New Zealand), holds a Tītī colony which, despite eradication of non‐native mammalian ...
Etienne Ossona De Mendez   +7 more
wiley   +1 more source

The former distribution of White‐tailed Eagles in Iberia, the Mediterranean and the Middle East: a case study of the importance of understanding historical distribution in informing current conservation and restoration interventions

open access: yesIbis, EarlyView.
The importance of considering historical data in developing conservation and restoration measures for individual species and for wider ecological restoration has been pointed out by recent reviews but often remains neglected in practice. This paper provides a case study illustrating the issue through a review of the former breeding distribution of the ...
Duncan J. Halley
wiley   +1 more source

Courtship display behavior influences tail myology in Centrocercus minimus (Gunnison sage‐grouse)

open access: yesJournal of Anatomy, EarlyView.
Courtship displays among birds are widespread, particularly those which incorporate raised tail feathers for extended periods of time. The Gunnison sage‐grouse (Centrocercus minimus) is such a species. When we compared the tail muscles of the sage‐grouse to birds which do not engage in erected tail fan postures, both morphology proportional mass ...
Alexander D. Clark   +3 more
wiley   +1 more source

Assessing the microstructure of simple rhamphothecae in chickens (Aves: Galliformes: Gallus gallus domesticus)

open access: yesJournal of Anatomy, EarlyView.
Simple rhamphotheca are externally homogeneous but internally are composed of several corneous layers with varying hardness. Areas under more mechanical stress such as the rostral portion and the tomia are significantly harder than other areas. Abstract Corneous sheaths on the jaws of beaked tetrapods, or rhamphothecae, are classified as simple or ...
Khanh H. T. To   +2 more
wiley   +1 more source

Post‐hatching development of the remote‐tactile bill‐tip organ in precocial shorebirds (Scolopacidae)

open access: yesJournal of Anatomy, EarlyView.
Juvenile scolopacid shorebirds possess well‐developed osteological correlates of tactile bill‐tip organs, indicating sensory systems for remote‐touch foraging are present from early life. Ontogenetic changes in bill‐tip morphology suggest ecological specialisation and interspecific variation develop later, after fledging in these highly precocial ...
Carla J. du Toit   +2 more
wiley   +1 more source

Characterisation of human hair follicle development

open access: yesJournal of Anatomy, EarlyView.
Schematic of hair follicle development in human skin. Hair follicle primordia of similar sizes, but different densities, are laid out across the skin. The distinction between terminal and vellus hair sites is not obvious at early stages of hair follicle development.
Zoe R. Sudderick   +4 more
wiley   +1 more source

Thermoplastics obtaining from chicken feathers

open access: yes, 2016
Se obtuvieron películas de termoplásticos biodegradables a partir de queratina de plumas de pollo. Las plumas de pollo contienen en su mayor parte una proteína llamada queratina, la cual fue la sustancia principal de estudio en la investigación, ya que luego de ser extraída se procedió a polimerizar, para así producir el termoplástico.
Calle Guadalupe, Luis   +2 more
openaire   +1 more source

An Unusual Case of Nannizzia praecox – Infection with new observations on the pathogen

open access: yes
JDDG: Journal der Deutschen Dermatologischen Gesellschaft, EarlyView.
Katharina Antonia Langen   +3 more
wiley   +1 more source

Asymmetric Pass‐Through and Competition

open access: yesThe Journal of Industrial Economics, EarlyView.
ABSTRACT We study the retail price pass‐through of four major tax changes in petroleum products using daily pricing data from gas stations on small Greek islands. We find that (i) the pass‐through of the tax hikes is five times higher than for the tax decrease, (ii) the pass‐through of the tax hikes increases with competition, while that of the tax ...
Christos Genakos   +2 more
wiley   +1 more source

Global Poultry Feed Protein Sources: Trends, Challenges, and Sustainability Perspectives Using FAOSTAT Data

open access: yesJournal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT The global poultry industry is one of the fastest‐growing livestock sectors, with worldwide chicken stocks exceeding 32 billion heads and meat production surpassing 144 million tonnes in 2024 (FAOSTAT, 2026). Conventional protein sources, particularly soybean meal (SBM) and fishmeal, underpin most commercial poultry diets but face mounting ...
Sajjad Hassan Qadeer
wiley   +1 more source

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