![](http://static.ddmcdn.com/gif/ca-sea-lion-250.jpg)
Sea lions respond to military-style sonar in a new study to
try and find out how to protect the marine mammals from harm.
![](http://static.ddmcdn.com/gif/recipes/birds-in-fall-migration-200x200.jpg)
Autumn brings with its chill in the air the sight of birds on the wing toward their winter homes.
![](http://static.ddmcdn.com/gif/recipes/darwins-frogs-croaking-thanks-to-deadly-fungus-131120-200x200.jpg)
Male Darwin frogs raise young in their vocal sacks. But one
of the two species is likely extinct and the other is in decline.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-09-African-elephant-250x250.jpg)
Scientists hoping to record elephant vocalizations instead
captured the precise moment when an elephant was shot and killed by
ivory poachers in Central Africa. Continue reading →
![](http://static.ddmcdn.com/gif/great-ape-faces-250x250.jpg)
Species that live in larger social groups have complex, colorful facial patterns.
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