A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...

Smithsonian’s National Zoo is all abuzz with excitement because first-time elephant mom Nhi Linh is pregnant. With a window ...

Birth rate numbers released Monday, the lowest since Mao's Communists established the People's Republic in 1949, are the ...

Among marine mammals, beluga whales ( Delphinapterus leucas) are particularly difficult to study in their icy habitat. To ...

On Jan. 10, white-handed gibbons Koko and Elliot welcomed their new baby at the Indianapolis Zoo and both are doing well.

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Native trees, especially oaks and birch, are important to the reproductive success of insectivorous birds and other wildlife.

In the icy waters of Alaska's Bristol Bay, a new study reveals how a small population of beluga whales (Delphinapterus leucas ...

The Indianapolis Zoo has welcomed a new baby white-handed gibbon, the fourth offspring of Koko and Elliot, and the family ...

Beluga whales avoid inbreeding by switching partners over time, helping a small, isolated population stay genetically healthy ...

Beluga whales indulge in wife swapping to enhance their long term survival chances, reveals new research. Ground-breaking DNA ...

From ancient times until today, an enormous population has been a foundational way for China to project its strength. But ...