Just because you see them at the zoo it doesn't mean they're doing all right in the wild.
Giraffes
IUCN(世界自然保护联盟) has put some giraffes at a critically endangered status. There are only 4,000 Kordofan and Nubian giraffes left. The giraffe population has declined primarily due to loss of habitat, social disorder, and poaching(偷猎) according to priority(优先考虑的事). Some giraffes are killed just for their tails, which are considered status symbols in parts of Africa.