Bats on food runs have their own version of traffic rules to avoid high-speed collisions.
Some females (including women) often live beyond their child-rearing years because their wisdom improves the survival of others.
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,
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