Related topics: new zealand · marine mammal · ocean · climate change · fossil

Whale sharks found to have tiny teeth around their eyes

A team of researchers working at Japan's Okinawa Churashima Research Center has found that whale sharks have thousands of dermal denticles (tiny teeth) in the skin surrounding their eyeballs. In their paper posted on the ...

PCB pollution threatens to wipe out killer whales

More than 40 years after the first initiatives were taken to ban the use of PCBs, the chemical pollutants remain a deadly threat to animals at the top of the food chain. A new study, just published in the journal Science, ...

Origin of ambergris verified through DNA analyses

A team of researchers from Denmark, the U.K. and Ireland has identified the origin of ambergris. In their paper published in the journal Biology Letters, the group describes analyzing DNA sequences from ambergris samples ...

Pacific killer whales are dying—new research shows why

Killer whales are icons of the northeastern Pacific Ocean. They are intimately associated with the region's natural history and First Nations communities. They are apex predators, with females living as long as 100 years ...

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