The elusive Allonautilus scrobiculatus, unseen since 1984, pops up in waters off Papua New Guinea.
The most recent survey of the spotted fish that prefers walking to swimming raises alarms among conservationists.
The Smithsonian veterinary team continues to monitor mother Mei Xiang and the larger of her cubs.
Hundreds of rare rhinos and other animals are fleeing flooding in India's northeast, raising fears of a rise in poaching during the exodus.
A tube-lipped nectar bat (Anoura fistulata) was found in Bolivia's Madidi National Park, the first time the species has ever been seen there.
The raptor's remains were found on a forest floor with a gunshot wound on its right breast.
The rare genetic variant has not yet eaten or taken water, and it's not clear how long it will live.
Until this year, scientists hadn't seen the Bouvier's red colobus monkey in the wild since the 1970s.
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