The tallest animal in the world is in trouble. Giraffe populations are declining at such an alarming rate — from habitat loss, poaching, urbanization and climate change-fueled drought — that ...

But in the savannas of Africa, giraffe populations have plummeted — so much so that the U.S. government is moving to add many of these long-necked mammals to its official list of imperiled species.

Giraffe populations are in trouble — and the U.S. Fish and Wildlife Service on Wednesday proposed listing three subspecies of the tall animals as endangered and two species as threatened under ...