Buzzfeed uncovers trophy hunters among the ranks of the International Union for Conservation of Nature, which, critics say, may be impeding wildlife protection.

A newly hatched bearded vulture chick is part of an effort to reintroduce the declining species across Europe.

Enforcement of the Endangered Species Act will be altered, easing protections for the most critically threatened plants and animals.

The successful delivery spells hope for the related northern white rhino, which is facing extinction.

Officials say the birds had eaten crops meant for experiments.

Reshaping how the Endangered Species Act is implemented is seen as a way to streamline bureaucracy, but critics of the plan say it will leave species at greater risk of extinction.

From the difficulty of tracking rare populations to the danger of poachers exploiting distribution data, the complications of studying endangered species require creative solutions from researchers.

Researchers recommend greater conservation efforts toward non-mammals and small creatures.

Researchers collate a list of the 100 most rare and unique avian species facing extinction.