Results 11 to 20 of about 22,224 (264)
Toxics, 2017 Understanding the relationship between metal level in predators and their prey is an important issue, and is usually difficult to determine because animals eat a variety of organisms.
Joanna Burger +2 more
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Heritage, 2022 In this paper, two different objects from the ethnographic collection of the museum of the Congregation of the Sacred Hearts of Jesus and Mary (Rome), a Polynesian barkcloth (tapa) and a Polynesian headdress in feathers (pa’e ku’a), were investigated to ...
Claudia Colantonio +7 more
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Heavy Metals in Biota in Delaware Bay, NJ: Developing a Food Web Approach to Contaminants
Toxics, 2019 Understanding the relationship between heavy metal and selenium levels in biota and their foods is important, but often difficult to determine because animals eat a variety of organisms.
Joanna Burger +5 more
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On the Feathers of “Hesperornis” [PDF]
Nature, 1897 A NUMBER of years ago I published in NATURE (December 25, 1890, p. 176) my opinion “On the Affinities of Hesperornis,” agreeing, at the time, with Prof. D'Arcy Thompson and others, that those toothed birds of the Kansas Cretaceous beds saw their nearest allies in existing birds in the Loons and Grebes, or in the typical Colymbidine assemblage. In other
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Nest decoration: birds exploit a fear of feathers to guard their nest from usurpation
Royal Society Open Science, 2021 Many species of birds incorporate feathers into their nest as structural support and to insulate the eggs or offspring. Here, we investigated the novel idea that birds reduce the risk of nest usurpation by decorating it with feathers to trigger a fear ...
Tore Slagsvold, Karen L. Wiebe
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The morphogenesis of feathers [PDF]
Nature, 2002 Feathers are highly ordered, hierarchical branched structures that confer birds with the ability of flight. Discoveries of fossilized dinosaurs in China bearing 'feather-like' structures have prompted interest in the origin and evolution of feathers. However, there is uncertainty about whether the irregularly branched integumentary fibres on dinosaurs ...
Mingke, Yu +3 more
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2007 For the first time, it was identified a mite in a three-year-old male ostrich that had lost feathers and showed skin irritation. The animal belonged to a flock of 50 birds, located in Baixada Fluminense, in Rio de Janeiro State.
D.G. Mattos Jr +5 more
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Frontiers in Ecology and Evolution, 2020 The stem lineage relationships and early phenotypic evolution of Charadriiformes (shorebirds) and Gruiformes (rails, cranes, and allies) remain unresolved. It is still debated whether these clades are sister-taxa.
Grace Musser, Julia A. Clarke
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Brazilian Journal of Poultry Science, 2009 The large amounts of feathers produced by the poultry industry, that is considered as a waste was explored for possible uses in various industries, such as meals for animals, biofuels, biodegradable plastic materials, combating water pollution and more ...
I Davidson
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Feather versus non-feather bedding for asthma [PDF]
Cochrane Database of Systematic Reviews, 2000 Two recent epidemiological studies have reported that children using non-feather pillows suffered from more frequent episodes of wheeze than those using feather pillowsTo evaluate the efficacy of using feather bedding in the control of asthma symptoms.The Cochrane Airways Group asthma clinical trials register, derived from MEDLINE, EMBASE and hand ...
F, Campbell, K, Jones
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