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zoology

The Mass, Metabolism and Length Explanation (MMLE) was advanced in 1984 to explain the relationship between metabolic rate and body mass for birds and mammals. This paper reports on a modernized version of MMLE. MMLE deterministically computes the absolute value...

["Biophysics","Mathematical Biology","Zoology"]
doi:10.7717/peerj.1228
3 downloads
27 views

The tails of extant crocodilians are anatomically the closest approximation of the tails of non-avian dinosaurs, and therefore a good starting point for any reconstruction of non-avian dinosaur tail muscles. However, we here demonstrate some methodological problems...

["Paleontology","Zoology"]
doi:10.7287/peerj.preprints.1339v1
122 downloads
681 views

In contrast to dominant mode of ecological transition in the evolution of marine mammals, different lineages of toothed whales (Odontoceti) have repeatedly invaded freshwater ecosystems during the Cenozoic era. The so-called ‘river dolphins’ are now recognized...

["Ecology","Evolutionary Studies","Marine Biology","Paleontology","Zoology"]
doi:10.7717/peerj.1227
1 download
5 views

The Caribbean island biota is characterized by high levels of endemism, the result of an interplay between colonization opportunities on islands and effective oceanic barriers among them. A relatively small percentage of the biota is represented by ‘widespread...

["Biodiversity","Biogeography","Taxonomy","Zoology"]
doi:10.7287/peerj.preprints.1332v1
47 downloads
335 views

Background. Neochelys franzeni Schleich, 1993 is the only pleurodire or side-necked turtle from the middle Eocene, Messel Pit (the first UNESCO, World Natural Heritage Site in Germany, since 1995). The original description of the species is based on two specimens...

["Biodiversity","Evolutionary Studies","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.1221
22 downloads
204 views

Geographical patterns in body size have been described across a wide range of species, leading to the development of a series of fundamental biological rules. However, shape variables are less well-described despite having substantial consequences for organism...

["Biogeography","Ecology","Entomology","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.1219
49 downloads
390 views

Background. Frogs are generalist predators of a wide range of typically small prey items. But descriptions of dietary items regularly include other anurans, such that frogs are considered to be among the most important of anuran predators. However, the only existing...

["Animal Behavior","Ecology","Zoology"]
doi:10.7717/peerj.1204
175 downloads
158 views

As conspicuous modular components of benthic marine habitats, gorgonian (sea fan) octocorals have perplexed taxonomists for centuries through their shear diversity, particularly throughout the Indo–Pacific. Phenotypic incongruence within and between seemingly unitary...

["Marine Biology","Molecular Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.1128
37 downloads
237 views

Most caridean decapods have compound eyes of the reflecting superposition kind, and additionally some possess an accessory eye-like organ of unknown function, also referred to as the nebenauge. We examined 308 caridean genera to assess the general morphology of...

["Biodiversity","Ecology","Marine Biology","Zoology"]
doi:10.7717/peerj.1176
136 downloads
445 views

Neotropical bats of the genus Carollia are widely studied due to their abundance, distribution and relevance for ecosystems. However, the ecomorphological boundaries of these species are poorly differentiated, and consequently correspondence between their geographic...

["Ecology","Evolutionary Studies","Taxonomy","Zoology"]
doi:10.7717/peerj.1197
57 downloads
184 views

The cause of mammalian cycles—the rise and fall of populations over a predictable period of time—has remained controversial since these patterns were first observed over a century ago. In spite of extensive work on observable mammalian cycles, the field has remained...

["Ecology","Mathematical Biology","Zoology"]
doi:10.7717/peerj.1180
136 downloads
856 views

A new miniaturized toadled of the genus Brachycephalus (Anura: Brachycephalidae) is described from Serra do Quiriri in the municipality of Campo Alegre, Santa Catarina, southern Brazil. Specimens were collected from the leaf litter between from 1,263 and 1,318...

["Biodiversity","Taxonomy","Zoology"]
doi:10.7717/peerj.1179
23 downloads
289 views

Artificial light pollution is drastically changing the sensory environments of animals. Even though many animals are now living in these changed environments, the effect light pollution has on animal behavior is poorly understood. We investigated the effect of...

["Animal Behavior","Ecology","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.1174
1 citation
125 downloads
576 views

Background. The Late Cretaceous is a keystone period to understand the origin and early radiation of Crocodylia, the group containing all extant lineages of crocodilians. Among the taxa described from the latest Cretaceous of Europe, the genus Allodaposuchus is...

["Animal Behavior","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.1171
523 downloads
341 views

Greylag goose populations are steadily increasing in north-western Europe. Although individuals breeding in the Netherlands have been considered mainly sedentary birds, those from Scandinavia or northern Germany fly towards their winter quarters, namely over France...

["Biodiversity","Zoology"]
doi:10.7717/peerj.1161

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