Peer-reviewed Articles

Total of 234 results
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zoology
77 downloads
322 views

Background. Anchors are one of the important attachment appendages for monogenean parasites. Common descent and evolutionary processes have left their mark on anchor morphometry, in the form of patterns of shape and size variation useful for systematic and evolutionary...

["Biodiversity","Computational Biology","Evolutionary Studies","Taxonomy","Zoology"]
doi:10.7717/peerj.1668
49 downloads
217 views

The rapidly changing climate makes humans realize that there is a critical need to incorporate climate change adaptation into conservation planning. Whether the wintering habitats of Great Bustards (Otis tarda dybowskii), a globally endangered migratory subspecies...

["Biodiversity","Biogeography","Conservation biology","Ecology","Zoology"]
doi:10.7717/peerj.1630
82 downloads
274 views

Here we provide evidence to support an extension of the recognized distributional range of the Mountain Elaenia (Elaenia frantzii) to include southern Mexico. We collected two specimens in breeding condition in northwestern Sierra Norte de Chiapas, Mexico. Morphologic...

["Biodiversity","Biogeography","Genetics","Taxonomy","Zoology"]
doi:10.7717/peerj.1598
235 downloads
575 views

The family Cetotheriidae has played a major role in recent discussions of baleen whale phylogenetics. Within this group, the enigmatic, monotypic Metopocetus durinasus has been interpreted as transitional between herpetocetines and other members of the family,...

["Evolutionary Studies","Marine Biology","Palaeontology","Zoology"]
doi:10.7717/peerj.1572
356 downloads
1,279 views

The subfamily Rubidgeinae, containing the largest known African gorgonopsians, is thoroughly revised. Rubidgeinae is diagnosed by the absence of a blade-like parasphenoid rostrum and reduction or absence of the preparietal. Seven rubidgeine species from the Karoo...

["Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.1608
42 downloads
192 views

It is generally accepted that the effect of orthodontic tooth movement on the dental pulp in adolescents is reversible and that it has no long-lasting effect on pulpal physiology. However, it is not clear yet if the same conclusion is also valid for adult subjects....

["Zoology","Dentistry","Histology"]
doi:10.7717/peerj.1625
102 downloads
287 views

The Eocene (∾48 Ma) Messel Pit in Germany is a UNESCO World Heritage Site because of its exceptionally preserved fossils, including vertebrates, invertebrates, and plants. Messel fossil vertebrates are typically characterized by their articulated state, and in...

["Cell Biology","Paleontology","Zoology"]
doi:10.7717/peerj.1618
74 downloads
255 views

Although anthophilous Coleoptera are regarded to be unspecialised flower-visiting insects, monkey beetles (Scarabaeidae: Hopliini) represent one of the most important groups of pollinating insects in South Africa’s floristic hotspot of the Greater Cape Region....

["Animal behavior","Entomology","Evolutionary studies","Zoology"]
doi:10.7717/peerj.1597
49 downloads
246 views

Non-invasive measurements of glucocorticoid (GC) concentrations, including cortisol and corticosterone, serve as reliable indicators of adrenocortical activities and physiological stress loads in a variety of species. As an alternative to invasive analyses based...

["Animal Behavior","Veterinary Medicine","Zoology"]
doi:10.7717/peerj.1590
274 downloads
986 views

Non-avian saurischian skulls underwent at least 165 million years of evolution and shapes varied from elongated skulls, such as in the theropod Coelophysis, to short and box-shaped skulls, such as in the sauropod Camarasaurus. A number of factors have long been...

["Biodiversity","Evolutionary Studies","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.1589
122 downloads
753 views

Large carnivores are decreasing in number due to growing pressure from an expanding human population. It is increasingly recognised that state-protected conservation areas are unlikely to be sufficient to protect viable populations of large carnivores, and that...

["Biodiversity","Conservation biology","Ecology","Zoology"]
doi:10.7717/peerj.1537
63 downloads
557 views

Tasmanian devil (Sarcophilus harrisii) pouch young, like other marsupials, are born underdeveloped and immunologically naïve, and are unable to mount an adaptive immune response. The mother’s milk provides nutrients for growth and development as well as providing...

["Conservation Biology","Zoology"]
doi:10.7717/peerj.1569
89 downloads
197 views

Here we review the systematics of the threadsnakes of the Epictia goudotii Species complex in Middle and northern South America using external morphology and molecular data. Two species, Epictia goudotii and E. magnamaculata, are currently recognized from that...

["Taxonomy","Zoology"]
doi:10.7717/peerj.1551
52 downloads
220 views

Biological invasion is one of the most threatening factors for biodiversity conservation. Lacking information on alien species in certain regions of the world hampers a balanced understanding of invasion processes and efficient data exchange among stakeholders....

["Biodiversity","Biogeography","Zoology"]
doi:10.7717/peerj.1545
137 downloads
383 views

The toad species Sclerophrys capensis Tschudi, 1838 was erected for a single specimen from South Africa which has never been properly studied and allocated to a known species. A morphometrical and morphological analysis of this specimen and its comparison with...

["Taxonomy","Zoology"]
doi:10.7717/peerj.1553

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