With a brief glance, your dog can figure out your mood.
Flying in a V-formation is toughest for the leader, and migrating birds compensate by taking turns so that no one gets exhausted.
A study of carpenter ants examined what happens to them when they become isolated.
A dog rolling over on its back may not mean what we think it means.
Dogs might only have a 10,000-year history in the Americas, suggests a new study that also concludes many early American dogs were wolf-like and highly valued.
Disruption in pack social cohesion can free more wolves to mate, creating more mouths to feed in a tighter range,
The captive animals may not be as effective at increasing the genetic diversity of wild populations, if results on mice translate to other species.
Some spiders are such ant wanna-be's that they resemble, act like, and hang out with ants, even forming mini colonies to foil ant-hating predators.
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