Krill might be tiny, but they play an enormous role in our oceans. From feeding the biggest whales to influencing global carbon cycles, these small crustaceans are essential to marine ecosystems. In this guide, we’ll explore everything you need to know about krill—what they are, why they matter, a...
All the birds in the Antarctic region are seabirds, and except for the flightless penguins, they are all flying birds. There are more than 30 species of birds that breed in Antarctica. Among them, only snow petrels are indigenous residents, and the others are expatriates from other countries. There are few species of marine birds in the Antarctic region, but the number is considerable, about 65 million. If penguins are included, the total number of seabirds is even more staggering, about 178 mil...
There are six species of seals that inhabit the south of the Antarctic Convergence Zone, namely saw-tooth seals, elephant seals, leopard seals, Weddell seals, Ross seals and sea lions. The largest is the elephant seal, and the most numerous is the saw-toothed seal. Among these six species of seals,...