Black vulture and Old World vulture

Black vulture noun - Of southern Eurasia and northern Africa.

Old World vulture and black vulture are semantically related. In some cases you can use "Old World vulture" instead a noun phrase "Black vulture".

Old World vulture noun - Any of several large vultures of Africa and Eurasia.

Black vulture and Old World vulture are semantically related. Sometimes you can replace phrase "Black vulture" with "Old World vulture", this phrases are similar.