Peer-reviewed Articles

18 downloads
144 views

The wood-feeding cockroach Cryptocercus punctulatus Scudder (Blattodea: Cryptocercidae) is an important member of the dead wood (saproxylic) community in montane forests of the southeastern United States. However, its population biology remains poorly understood....

["Entomology","Genetics","Zoology"]
doi:10.7717/peerj.3127
58 downloads
809 views

Rare hybridisations between deeply divergent animal species have been reported for decades in a wide range of taxa, but have often remained unexplained, mainly considered chance events and reported as anecdotal. Here, we combine field observations with long-term...

["Ecology","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.3072
88 downloads
409 views

Background The present-day amphibian and reptile fauna of Western Siberia are the least diverse of the Palaearctic Realm, as a consequence of the unfavourable climatic conditions that predominate in this region. The origin and emergence of these herpetofaunal groups...

["Biodiversity","Biogeography","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3025
80 downloads
301 views

This study explores how curvature in the quokka femur may help to reduce bending strain during locomotion. The quokka is a small wallaby, but the curvature of the femur and the muscles active during stance phase are similar to most quadrupedal mammals. Our hypothesis...

["Computational Biology","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.3100
142 downloads
877 views

The patella is a sesamoid bone located in the major extensor tendon of the knee joint, in the hindlimb of many tetrapods. Although numerous aspects of knee morphology are ancient and conserved among most tetrapods, the evolutionary occurrence of an ossified patella...

["Evolutionary Studies","Palaeontology","Zoology","Anatomy and Physiology"]
doi:10.7717/peerj.3103
30 downloads
154 views

Background Illegal trade in rare wildlife species is a major threat to many parrot species around the world. Wildlife forensics plays an important role in the preservation of endangered or threatened wildlife species. Identification of illegally harvested or traded...

["Conservation Biology","Genetics","Veterinary Medicine","Zoology","Legal Issues"]
doi:10.7717/peerj.2900
98 downloads
498 views

Background Gross dissection is a widespread method for studying animal anatomy, despite being highly destructive and time-consuming. X-ray computed tomography (CT) has been shown to be a non-destructive alternative for studying anatomical structures. However, in...

["Computational Biology","Zoology","Radiology and Medical Imaging"]
doi:10.7717/peerj.3039
86 downloads
316 views

The land snails collected by the ‘Comisión Científica del Pacifíco’ (CCP), a Spanish expedition to South and Central America from 1862–1866, are restudied and revised. The historical context of the expedition and the study of its collected material are described....

["Biogeography","Evolutionary Studies","Taxonomy","Zoology"]
doi:10.7717/peerj.3065
1 citation
46 downloads
791 views

Animals domesticated for working closely with humans (e.g. dogs) have been shown to be remarkable in adjusting their behaviour to human attentional stance. However, there is little evidence for this form of information perception in species domesticated for production...

["Agricultural Science","Animal Behaviour","Zoology"]
doi:10.7717/peerj.3073
452 downloads
9,843 views

The True’s beaked whale (Mesoplodon mirus, True 1913) is a poorly known member of the Ziphiidae family. Its distribution in the northern hemisphere is thought to be restricted to the temperate or warm temperate waters of the North Atlantic, while a few stranding...

["Biodiversity","Genetics","Taxonomy","Zoology"]
doi:10.7717/peerj.3059
56 downloads
205 views

Sexual size dimorphism (SSD) is widespread among animals, with larger females usually attributed to an optimization of resources in reproduction and larger males to sexual selection. A general pattern in the evolution of SSD is Rensch’s rule, which states that...

["Entomology","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.3060
52 downloads
308 views

Moult of feathers entails considerable physiological and energetic costs to an avian organism. Even under favourable feeding conditions, endogenous body stores and energy reserves of moulting birds are usually severely depleted. Thus, most species of birds separate...

["Animal Behavior","Ecology","Toxicology","Veterinary Medicine","Zoology"]
doi:10.7717/peerj.3057
227 downloads
2,131 views

Mourasuchus (Alligatoroidea, Caimaninae) is one of the most peculiar crocodyliforms due to the skull morphology consisting of a long, wide, dorsoventrally flat rostrum with long, slender mandibular rami. Despite these peculiarities, the systematics, phylogeny and...

["Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3056
84 downloads
261 views

Background Sponges are particularly prone to hiding cryptic species as their paradigmatic plasticity often favors species phenotypic convergence as a result of adaptation to similar habitat conditions. Hemimycale is a sponge genus (Family Hymedesmiidae, Order Poecilosclerida)...

["Aquaculture, Fisheries and Fish Science","Biodiversity","Marine Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.2958
108 downloads
684 views

Background The practice of feeding of diets containing raw animal products (RAP) to pets (dogs and cats) is discouraged by veterinary organizations and governmental public health organizations. Nevertheless, the practice of feeding RAP to pets is increasing in...

["Veterinary Medicine","Zoology","Nutrition"]
doi:10.7717/peerj.3031

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