The sounds of barking elephant seals are again in the air along the breeding grounds of Península Valdés, Argentina—but it's ...

A year after an outbreak of H5N1 killed thousands of elephant seals in Argentina, only about a third of the seals normally expected here returned, scientists estimate. The sounds of barking ...

From the deafening roar of lions to the haunting howls of wolves, the animal kingdom is alive with an array of loud calls.

The sounds of barking elephant seals are again in the air along the breeding grounds of Península Valdés, Argentina—but it’s quieter. Almost exactly a year after a massive outbreak of H5N1 ...

The H5N1 outbreak killed more than 17,000 elephant seals, impacting 97% of seal pups. The virus evolved distinct avian and ...