Killer Instinct
After deposited as eggs in the nests of other bird species, greater honeyguide hatchlings attack the nestlings of their hosts.
Air Drop
Raindrop pockmarks may provide clue to the density of Earth's atmosphere 2.7 billion years ago when the Sun was 30 percent dimmer than today.
Long-Distance Tweets
The tiny songbird, Northern Wheatear, has the stamina to make one of the farthest recorded migrations—scaled for body size—of any bird, as much as 9,000 miles in each direction between the North American Arctic and Africa.
Lil’ Lizards
Four new species of chameleons are discovered in Madagascar. Three rank among the world's smallest amniote vertebrates (the group comprising reptiles, birds, and mammals).
Pole Watchers
Projected slowdown of ozone loss by the end of the current decade can be seen as a first sign of ozone recovery
Charitable Chimps
Chimps display altruistic behavior..
Reverse Transmission
People infect animals, too.
Sailing Ancient Seas
Did Pterosaurs sail, as well as fly?
Vertebrate Bias
Even the spineless feel pain.
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