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The resolution of rapid evolutionary radiations or “bushes” in the tree of life has been one of the most difficult and interesting problems in phylogenetics. The avian order Galliformes appears to have undergone several rapid radiations that have limited the resolution...

["Evolutionary Studies","Taxonomy","Zoology"]

Amplifiers are signals that improve the perception of underlying differences in quality. They are cost free and advantageous to high quality individuals, but disadvantageous to low quality individuals, as poor quality is easier perceived because of the amplifier....

["Animal Behavior","Anthropology","Evolutionary Studies","Zoology"]

Aerobic activity levels increase with body temperature across vertebrates. Differences in these levels, from highly active to sedentary, are reflected in their ecology and behavior. Yet, the changes in the cardiovascular system that allow for greater oxygen supply...


Models of collective animal behaviour frequently make assumptions about the effects of neighbours on the behaviour of focal individuals, but these assumptions are rarely tested. One such set of assumptions is that the switch between active and inactive behaviour...

["Animal Behavior","Ecology","Zoology"]

In the Central Red Sea, healthy coral reefs meet intense coastal development, but data on the effects of related stressors for reef functioning are lacking. This in situ study therefore investigated the independent and combined effects of simulated overfishing...

["Ecology","Marine Biology","Zoology","Science and Medical Education"]

Students embarking on a bioscience degree course, such as Animal Science, often do not have sufficient experience in mathematics. However, mathematics form an essential and integral part of any bioscience degree and are essential to enhance employability. This...

["Agricultural Science","Zoology","Science and Medical Education"]

Predator–prey interactions are among the main ecological interactions that shape the diversity of biological form. In many cases, the evolution of the mollusc shell form is presumably driven by predation. However, the adaptive significance of several uncommon,...

["Animal Behavior","Ecology","Evolutionary Studies","Zoology"]

It has been widely accepted that aphids and their primary endosymbiotic bacteria Buchnera have strictly parallel diversification relationship. As the first reported case of insect-bacteria cospeciation, this parallel diversification hypothesis has been prevalent,...

["Entomology","Evolutionary Studies","Genetics","Microbiology","Zoology"]

Camera traps are commonly used for mammal surveys and many recent studies have published variable trap success rates. All published reports have focused survey efforts in protected areas or large contiguous forests, but we used camera traps in a highly altered...

["Biodiversity","Conservation Biology","Ecology","Zoology"]

In broiler chickens, genetic success for desired production traits is often shadowed by welfare concerns related to musculoskeletal health. Whilst these concerns are clear, a viable solution is still elusive. Part of the solution lies in knowing how anatomical...

["Agricultural Science","Developmental Biology","Evolutionary Studies","Zoology","Anatomy and Physiology"]

Genetic selection for improved meat yields, digestive efficiency and growth rates have transformed the biology of broiler chickens. Modern birds undergo a 50-fold multiplication in body mass in just six weeks, from hatching to slaughter weight. However, this selection...

["Agricultural Science","Developmental Biology","Evolutionary Studies","Zoology","Anatomy and Physiology"]

Weevils are one of the largest groups of living organisms, with more than 60,000 species feeding mostly on plants. With only one exception, their described larvae are typical plant-feeders, with mouthparts adapted to chewing plant material. Here we describe the...

["Animal Behavior","Entomology","Taxonomy","Zoology"]

Contagious parthenogenesis – a process involving rare functional males produced by a parthenogenetic lineage, which mate with coexisting sexual females resulting in fertile parthenogenetic offspring – is one of the most striking mechanisms responsible for the generation...

["Biodiversity","Evolutionary Studies","Genetics","Zoology"]

Quantitative analysis of organismal form is an important component for almost every branch of biology. Although generally considered an easily-measurable structure, the quantification of gastropod shell form is still a challenge because shells lack homologous structures...

["Developmental Biology","Taxonomy","Zoology"]

Loss of large mammalian carnivores may allow smaller mesopredators to become abundant and threaten other community members. There is considerable debate about mesopredator release and the role that other potential factors such as landscape variables and human alterations...

["Biodiversity","Conservation Biology","Ecology","Zoology"]

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