Spiders disguise themselves as ants to hide and hunt their prey
All spiders are predators, but most of them are small and have rudimentary defences against larger animals that in turn prey on them. Spiders have thus evolved a range of predatory behaviours that, at the ...
Increase in bear infanticide linked to hunting
Egg colours make cuckoos masters of disguise
Cuckoos are notorious cheats. Instead of building a nest, incubating their eggs and raising their chicks, they lay their eggs in the nests of other birds and leave the task of raising their offspring to the ...
Ninjabot strikes with force of a mantis shrimp
Females protect offspring from infanticide by forcing males to compete through sperm
Previous research has shown that infanticide by males is widespread in many mammal species, but most commonly occurs in those species where females live in social groups dominated by one or a few males.
Intimidating chimpanzee males are more likely to become fathers
In a long-term study of interactions between chimpanzees in the famous Gombe National Park in Tanzania, researchers have found that males who consistently bully females tend to father more babies with their ...
Do homing pigeons navigate with gyroscope in brain?
No one knows how homing pigeons do it, but now a team of Swiss and South African scientists have discovered that the bird's navigation is affected by disturbances in gravity, suggesting that they navigate ...
Genetics denote feral cat source
Feral cats arrived on Dirk Hartog Island in two separate waves, but are now reproductively isolated, according to genetic analysis.
Human hybrids: a closer look at the theory and evidence
Researchers hope their work will help predict which dogs may get a deadly disease
Veterinary researchers at Cummings School are teaming with scientists at Harvard, MIT and Nestlé Purina PetCare to decipher the genetics of bloat, a common cause of death in large dogs.
The more the merrier: Ecologists say larger group aids wolves' bison hunting
Some 15 years ago, when Utah State University ecologist Daniel MacNulty told his faculty advisor he planned to watch wolves hunt bison in a remote area of Yellowstone National Park, the latter shook his head.
A tale of two seas: Last Ice Age has shaped sharks across Europe
Shark populations in the Mediterranean are highly divided, an international team of scientists, led by Dr Andrew Griffiths of the University of Bristol, has shown. Many previous studies on sharks suggest ...
Fruit flies learn from others
Fruit flies do not always conform to the norm. When female fruit flies have to decide where to lay their eggs, they take their lead from what they see most others in their group do. However, some do take their personal preferences ...
Tools and primates: Opportunity, not necessity, is the mother of invention
Whether you are a human being or an orang-utan, tools can be a big help in getting what you need to survive. However, a review of current research into the use of tools by non-human primates suggests that ...