The most recent survey of the spotted fish that prefers walking to swimming raises alarms among conservationists.
When a northern white rhino died in the Czech Republic recently, it left four remaining -- on the entire planet! Julia explains the science behind how animals are deemed to be extinct or endangered.
The survival of the species now rests with around 100 rhinos in the wild in Indonesia and nine in captivity.
The raptor's remains were found on a forest floor with a gunshot wound on its right breast.
It was seal: 1 shark: 0 at Cape Cod on Monday, when a seal leapt for its life to escape the jaws of a hungry great white.
The critically endangered critters are responding well to the use of long-stored frozen sperm to help with their diversity.
The Albany Pine Bush Preserve in New York holds within it a rare species: the endangered Karner blue butterfly.
Nabiré, a 31-year-old female northern white rhino, died of a ruptured cyst, authorities at a Czech Republic zoo announced.
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