Peer-reviewed Articles - Biology

23 downloads
138 views

Background Habitat selection and its adaptive outcomes are crucial features for animal life-history strategies. Nevertheless, congruence between habitat preferences and breeding success has been rarely demonstrated, which may result from the single-scale evaluation...

["Animal Behavior","Biogeography","Ecology","Zoology"]
doi:10.7717/peerj.3164
10 downloads
121 views

Background The breeding of lactating donkeys is increasing in Western Europe; with it the evaluation of body condition is growing in importance since it is considered a key principle for their welfare. However, assessment of body condition is a complex task, since...

["Animal Behavior","Veterinary Medicine","Zoology"]
doi:10.7717/peerj.3001
28 downloads
224 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
100 downloads
1,174 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
131 downloads
554 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
85 downloads
336 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
177 downloads
998 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
36 downloads
183 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
106 downloads
525 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
94 downloads
326 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
47 downloads
802 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
475 downloads
10,111 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
57 downloads
210 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
55 downloads
311 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
232 downloads
2,155 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

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