Hunger may inhibit defensive behavior

Most animals don't spend nearly as much time and energy defending nesting or mating sites against intruders outside the breeding season. That's a given.

What's cuing salmon migration patterns?

The spring-fed water that flows through Hansen Creek in southwestern Alaska is almost always clear. Its rate and temperature stay relatively constant throughout the year. Each summer, sockeye salmon migrate through the shallow, ...

Male lions use ambush hunting strategy

It has long been believed that male lions are dependent on females when it comes to hunting. But new evidence suggests that male lions are, in fact, very successful hunters in their own right. A new report from a team including ...

Long-term memory helps chimpanzees in their search for food

Where do you go when the fruits in your favorite food tree are gone and you don't know which other tree has produced new fruit yet? An international team of researchers, led by Karline Janmaat from the Max Planck Institute ...

Fighting fit cockroaches have 'hidden strength'

A new study has discovered that not all cockroaches are equal and "super athletes", with larger respiratory systems, are more likely to win physical mating battles.

Researchers find gender bias in sexual cannibalism papers

(Phys.org)—A trio of biologists, Liam Dougherty, Emily Burdfield-Steel and David Shuker from the U.K.'s University of St Andrews, School of Biology, have found that when researchers write papers that are published in scientific ...

For animal societies, cohesion comes at a cost

From gaining valuable information to staying safe from predators, moving in a group can benefit animals—but at what cost? Researchers from the Max Planck Institute of Animal Behavior have provided rare insight into the ...

Rainforest rodents risk their lives to eat

Hungry rodents that wake up early are much more likely to be eaten than rodents getting plenty of food and shut-eye, according to new results from a study at the Smithsonian Tropical Research Institute in Panama. The study ...

Human disturbance affecting little penguins

Flinders University ecologists are calling on summer holiday-goers to not interfere with wildlife and damage habitats, notably for shy animals such as little penguins.

page 3 from 5