New study traces the evolutionary history of what mammals eat
The feeding habits of mammals haven't always been what they are today, particularly for omnivores, finds a new study.
Do parasites upset food web theory?
Parasites comprise a large proportion of the diversity of species in every ecosystem. Despite this, they are rarely included in analyses or models of food webs. If parasites play different roles from other ...
Giant panda's 'cousin' lived in Spain
A team of Spanish scientists have found a new ursid fossil species in the area of Nombrevilla in Zaragoza, Spain. Agriarctos beatrix was a small plantigrade omnivore and was genetically related to giant pandas, ...
Adding veggies to your diet helps cut global warming
If the carnivorous U.S. population – as a whole – ate a more-vegetarian diet that included egg and milk products, the environment would be greatly relieved, says a preliminary Cornell study.
More omnivore dilemmas: Seasonal diet changes can cause reproductive stress in primates
When seasonal changes affect food availability, omnivores like blue monkeys adapt by changing their diets, but such nutritional changes may impact female reproduction, according to research published November ...