Peer-reviewed Articles

89 downloads
843 views

Background In this paper, we propose a new method, named the intervals’ method, to analyse data from finite element models in a comparative multivariate framework. As a case study, several armadillo mandibles are analysed, showing that the proposed method is useful...

["Animal Behavior","Mathematical Biology","Paleontology"]
doi:10.7717/peerj.3793
44 downloads
230 views

The sika deer (Cervus nippon yesoensis) population in the Ramsar-listed Kushiro Wetland has increased in recent years, and the Ministry of the Environment of Japan has decided to take measures to reduce the impact of deer on the ecosystem. However, seasonal movement...

["Animal Behavior","Conservation Biology","Ecology","Natural Resource Management"]
doi:10.7717/peerj.3869
45 downloads
303 views

Predation is the main cause of mortality during early life stages. The ability to avoid and evade potential threats is, therefore, favoured to evolve during the early stages of life. It is also during these early stages that the process of familiarization occurs....

["Animal Behavior","Aquaculture, Fisheries and Fish Science","Developmental Biology"]
doi:10.7717/peerj.3899
55 downloads
1,358 views

A great variety of parasites and parasitoids exploit ant societies. Among them are the Mesostigmata mites, a particularly common and diverse group of ant-associated arthropods. While parasitism is ubiquitous in Mesostigmata, parasitoidism has only been described...

["Animal Behavior","Biodiversity","Ecology","Taxonomy","Zoology"]
doi:10.7717/peerj.3870
42 downloads
328 views

In freshwater environments, chemosensory cues play an important role in predator-prey interactions. Prey use a variety of chemosensory cues to detect and avoid predators. However, whether predators use the chemical cues released by disturbed or stressed prey has...

["Animal Behavior","Ecology"]
doi:10.7717/peerj.3883
57 downloads
680 views

Background Locomotion results from the generation of ground reaction forces (GRF) that cause translations of the center of mass (COM) and generate moments that rotate the body around the COM. The trot is a diagonally-synchronized gait performed by horses at intermediate...

["Animal Behavior","Bioengineering","Veterinary Medicine","Zoology","Kinesiology"]
doi:10.7717/peerj.3866
70 downloads
1,047 views

Mating behaviour and predation avoidance in Heliconius involve visual colour signals; however, there is considerable inter-individual phenotypic variation in the appearance of colours. In particular, the red pigment varies from bright crimson to faded red. It has...

["Animal Behavior","Bioinformatics","Ecology","Entomology","Zoology"]
doi:10.7717/peerj.3821
65 downloads
658 views

Two digging decapod crustaceans, the sand crab species Lepidopa benedicti and the mole crab species Emerita benedicti, both live in the swash zone of fine sand beaches. They were examined for two parasites that infect decapod crustaceans in the region, an unidentified...

["Animal Behavior","Marine Biology","Parasitology","Zoology"]
doi:10.7717/peerj.3852
182 downloads
3,282 views

Modern human technological culture depends on social learning. A widespread assumption for chimpanzee tool-use cultures is that they, too, are dependent on social learning. However, we provide evidence to suggest that individual learning, rather than social learning,...

["Animal Behavior","Evolutionary Studies"]
doi:10.7717/peerj.3814
39 downloads
226 views

Ravignani et al. (2013) habituated squirrel monkeys to sound sequences conforming to an ABnA grammar (n = 1, 2, 3), then tested them for their reactions to novel grammatical and non-grammatical sequences. Although they conclude that the monkeys “consistently recognized...

["Animal Behavior","Zoology"]
doi:10.7717/peerj.3806
55 downloads
1,391 views

Oceanic islands are among the most endemically biodiverse ecosystems in the world. They have been adversely impacted by human expansion, which affects regional biodiversity by altering the natural habitats of vulnerable, indigenous species. Birds represent a valuable...

["Animal Behavior","Biodiversity","Conservation Biology","Ecology","Zoology"]
doi:10.7717/peerj.3761
74 downloads
332 views

In the Mississippi River Basin of North America, invasive bigheaded carp (silver carp Hypophthalmichthys molitrix and bighead carp H. nobilis, also referred to as Asian carp) have spread rapidly over the past several decades. In the Illinois River, an important...

["Animal Behavior","Aquaculture, Fisheries and Fish Science","Conservation Biology","Ecology","Coupled Natural and Human Systems"]
doi:10.7717/peerj.3641
76 downloads
570 views

The social hymenoptera are emerging as models for epigenetics. DNA methylation, the addition of a methyl group, is a common epigenetic marker. In mammals and flowering plants methylation affects allele specific expression. There is contradictory evidence for the...

["Animal Behavior","Entomology","Evolutionary Studies","Genomics","Zoology"]
doi:10.7717/peerj.3798
115 downloads
363 views

Landscapes of Fear (LOF), the spatially explicit distribution of perceived predation risk as seen by a population, is increasingly cited in ecological literature and has become a frequently used “buzz-word”. With the increase in popularity, it became necessary...

["Animal Behavior","Biodiversity","Conservation Biology","Ecology","Zoology"]
doi:10.7717/peerj.3772
71 downloads
539 views

Background Coexistence of sexual and asexual populations remains a key question in evolutionary ecology. We address the question how an asexual and a sexual form of the parasitoid Venturia canescens can coexist in southern Europe. We test the hypothesis that both...

["Animal Behavior","Ecology","Entomology","Evolutionary Studies"]
doi:10.7717/peerj.3699

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