Eleven seal species narrowly escaped extinction

Establishment of the immortalized cell line derived from Okinawa rail (endangered species)

Animal populations are shrinking due to their high-risk food-finding strategies

For arid, Mars-like Peruvian desert, rain brings death

Deep-time evolution of animal life on islands

Tropical trees in the Andes are moving up -- toward extinction

Large areas of the Brazilian rainforest at risk of losing protection

Captive-breeding will not save wild Asian Houbara without regulation of hunting

Climate change damaging male fertility

Rare fossil bird deepens mystery of avian extinctions