Preprints (not yet peer-reviewed)

132 downloads
715 views

1) DNA metabarcoding holds great promise for the assessment of macroinvertebrates in stream ecosystems. However, few large-scale studies have compared the performance of DNA metabarcoding with that of routine morphological identification. 2) We performed metabarcoding...

["Biodiversity","Environmental Sciences","Molecular Biology","Zoology","Science Policy"]
doi:10.7287/peerj.preprints.2759v3
1 download
26 views

Background. Sturnira is one of the most species-richness in the Neotropic, and it is found from Mexico, Lesser Antilles to Argentina. Genus forms a well-supported monophyletic clade with at least twenty-one recognized species, and several under taxonomic review....

["Ecology","Genetics","Molecular Biology","Zoology"]
doi:10.7287/peerj.preprints.2886v1
13 downloads
119 views

Locusts are famous for its excellent jumping performance. Jumping helps locusts avoid predators and initiate flight. In this paper, high-speed videos are recorded to analyze the jumping performance of Locusta migratoria Linnaeus from ground with different roughness....

["Animal Behavior","Mathematical Biology","Zoology"]
doi:10.7287/peerj.preprints.2877v1
23 downloads
66 views

This paper focus a rare case of natural disappearance of feral pigs (Sus scrofa) in an extensive area without using traditional methods of eradication programs. The study was conducted both in the Private Reserve of Natural Heritage (PRNH) Sesc Pantanal and in...

["Conservation Biology","Ecology","Zoology"]
doi:10.7287/peerj.preprints.2876v1
203 downloads
1,065 views

1. Stable isotope analysis is a widely used tool for the reconstruction and interpretation of animal diets and trophic relationships. Analytical tools have improved the robustness of inferring the relative contribution of different prey sources to an animal’s diet...

["Computational Biology","Ecology","Ecosystem Science","Zoology","Statistics"]
doi:10.7287/peerj.preprints.1950v2
42 downloads
144 views

Incorrect snake identification from the observable visual traits is a major reason of death resulting from snake bites. So far no automatic classification method has been proposed to distinguish snakes by deciphering the taxonomy features of snake for the two major...

["Bioinformatics","Computational Biology","Taxonomy","Zoology"]
doi:10.7287/peerj.preprints.2867v1
29 downloads
142 views

The recent description of the Tremadocian halkieriid-like stem aculiferan, Calvapilosa kroegeri, could shed new light on some enigmatic Ordovician fossils known only by their disarticulated plates. Specifically, Conchopeltis alternata could be interpreted as a...

["Evolutionary Studies","Paleontology","Zoology"]
doi:10.7287/peerj.preprints.2854v1
32 downloads
148 views

1. Camera loggers are increasingly used to examine behavioural aspects of free-ranging animals. However, often video loggers are deployed with a focus on specific behavioural traits utilizing small cameras with a limited field of view, poor light performance and...

["Animal Behavior","Ecology","Environmental Sciences","Marine Biology","Zoology"]
doi:10.7287/peerj.preprints.2765v2
44 downloads
472 views

Geographic variation in external morphology is thought to reflect an interplay between genotype and the environment. Morphological variation has been well-described for a number of cetacean species, including the bottlenose dolphin (Tursiops truncatus). In this...

["Animal Behavior","Biogeography","Ecology","Marine Biology","Zoology"]
doi:10.7287/peerj.preprints.2827v2
42 downloads
149 views

Many species of birds react to climate change, for example, by wintering in areas closer to their breeding areas. We investigated the responses of two different functional groups of waterbirds to factors associated with climate change. The Odra River Estuary (SW...

["Ecology","Ecosystem Science","Zoology"]
doi:10.7287/peerj.preprints.2652v2
282 downloads
1,728 views

The polar bear (Ursus maritimus) was the first species to be classified as threatened with extinction based on predictions of future conditions rather than current status. These predictions were made using expert-opinion forecasts of population declines linked...

["Conservation Biology","Ecology","Environmental Sciences","Zoology"]
doi:10.7287/peerj.preprints.2737v3
20 downloads
93 views

I used radio-telemetry to track the movements of Mangrove Cuckoos (Coccyzus minor) captured in southwest Florida. Relatively little is known about the natural history of Mangrove Cuckoos, and my goal was to provide an initial description of how individuals use...

["Animal Behavior","Biodiversity","Conservation Biology","Ecology","Zoology"]
doi:10.7287/peerj.preprints.2798v1
34 downloads
73 views

Our ability to prevent extinction in declining populations often depends on effective management of habitats that are disturbed through wildfire, logging, agriculture, or development. In these disturbed landscapes, the juxtaposition of multiple habitat types can...

["Animal Behavior","Ecology","Zoology"]
doi:10.7287/peerj.preprints.2795v1
9 downloads
113 views

We recently found Cribrinopsis japonica Tsutsui & Tsuruwaka, 2014 (Shinkai-hakutou-ginchaku in Japanese name) at the depth between 384 and 800 m in Toyama Bay, Sea of Japan. Since then, C. japonica has been reared under atmospheric pressure in the laboratory for...

["Ecology","Marine Biology","Zoology"]
doi:10.7287/peerj.preprints.2788v1
157 downloads
614 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 the patella is...

["Evolutionary Studies","Paleontology","Zoology","Anatomy and Physiology"]
doi:10.7287/peerj.preprints.2594v2
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