It's a weird, lopsided fight if ever there was one: seagulls divebombing to attack and feed on the fat of 50-ton whales and their babies. And the birds are winning.
Southern Right Whales are dying off at a record rate in Argentina's Patagonia region, a conservation group warned.
The long-beaked La Plata River dolphin, a small species living in in South America's Atlantic coastal waters, is increasingly threatened with extinction from big-net fishing, Brazilian researchers warn.
Fatal strandings of southern right whales around Argentina's Valdes Peninsula have soared in recent years, and worried scientists are not sure why, the International Whaling Commission heard Friday.