Comparative developmental osteology of the seahorse skeleton reveals heterochrony amongst Hippocampus sp. and progressive caudal fin loss [PDF]
, 2014 Background: Seahorses are well known for their highly derived head shape, prehensile tail and armoured body. They belong to the family of teleosts known as Syngnathidae, which also includes the pipefishes, pipehorses and seadragons. Very few studies have
Adriaens, Dominique +1 more
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Nest niche overlap among the endangered Vinaceous-breasted Parrot (Amazona vinacea) and sympatric cavity-using birds, mammals, and social insects in the subtropical Atlantic Forest, Argentina [PDF]
, 2017 Many forest bird species require tree cavities for nesting, and share this resource with a diverse community of animals. When cavities are limited, niche overlap can result in interspecific competition, with negative consequences for threatened ...
Bonaparte, Eugenia Bianca +1 more
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Low resting metabolic rate is associated with greater lifespan because of a confounding effect of body fatness [PDF]
, 2014 Acknowledgments: This work was funded by the Biotechnology and Biological Sciences Research Council (BBSRC) grant BB/C516228/1 to J.R.S. We thank Jackie Duncan and Sarah Johnston for helping with DNA protocol assays and Lobke Vaanholt for helping with ...
Duarte, Luiza C., Speakman, John R.
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A large carnivorous mammal from the Late Cretaceous and the North American origin of marsupials
Nature Communications, 2016 The early fossil record of metatherian mammals, the group including marsupials, is limited. Here, Wilson and colleagues describe a fossil skull of the Late Cretaceous metatherianDidelphodon vorax, providing insight into the ecology of this species as ...
Gregory P. Wilson +4 more
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Revista Chilena de Historia Natural, 2005 Most of the variation (98.8 %) in basal rate of metabolism (BMR) in 70 species of marsupials is correlated with body mass, although lowland species have higher basal rates than highland species and burrowers have lower basal rates than non-burrowers ...
BRIAN K. MACNAB
doaj
Pulgas (Insecta: Siphonaptera) asociadas al marsupial neotropical amenazado “monito del monte” (Dromiciops gliroides Microbiotheria: Microbiotheriidae), en su población más austral de la Argentina [PDF]
, 2018 Dromiciops, nocturnal marsupial genus endemic to the temperate forests of southern South America, is the only living representative of the Order Microbiotheria. Here we study the Siphonapteran fauna of Dromiciops gliroides ?monito del monte?
Gurovich, Yamila +1 more
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The Coherence of Evolutionary Theory with Its Neighboring Theories [PDF]
, 2019 Evolutionary theory coheres with its neighboring theories, such as the theory of plate tectonics, molecular biology, electromagnetic theory, and the germ theory of disease.
Park, Seungbae
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Therian origin of INSL3/RXFP2-driven testicular descent in mammals
Frontiers in Cell and Developmental BiologyIntroduction: During early development in most male mammals the testes move from a position near the kidneys through the abdomen to eventually reside in the scrotum.
Brandon R. Menzies +3 more
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Tertiary Climate Change and the Diversification of the Amazonian Gecko Genus Gonatodes (Sphaerodactylidae, Squamata) [PDF]
, 2008 The genus Gonatodes is a monophyletic group of small-bodied, diurnal geckos distributed across northern South America, Central America, and the Caribbean.
Colli, Guarino R. +3 more
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Revista da Sociedade Brasileira de Medicina TropicalINTRODUCTION: Serological surveys are important to assess the health status of wild animals. In this study, antibodies against Leptospira spp, causal agents of leptospirosis, were detected in free-living marsupials in the State of Pará, Brazil. METHODS:
Gleiciane Schupp de Sena Mesquita +7 more
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