Thousands of birds flying south for the winter stop off in Nigeria’s Hadejia Wetlands National Park. Researchers mapped the ...

animals This Ecuadorian frog was lost for 100 years—until now Scientists believe this rediscovery will be vital to protect the country's most degraded ecosystem, the southern Andes mountains.

New frog species is armed with special skin-puncturing claw. The "extraordinary" Ecuadorian amphibian may use the special body part to flay and stab predators—and even fellow frogs.