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Gyps is a genus of Old World vultures whose members are sometimes known as griffon vultures.

1/ Indian vulture or long-billed vulture (Kền kền Ấn Độ, Gyps indicus)
The genus name is from Ancient Greek gups meaning "vulture" and the species name is Neo-Latin indicus from the Ancient Greek "indikos" meaning "Indian".

2/ White-rumped vulture (Kền kền măng gan, Gyps bengalensis)

Accipitridae from Latin accipiter/accipitri- "hawk".
accipitrinus Latin accipitrinus hawk-like (accipiter: hawk).
"-gyps" comes from the Greek word "gyps" or "gups" (meaning "vulture").

Sarcogyps is a genus of Old World vultures in the family  Accipitridae.

1/ Red-headed vulture (Sarcogyps calvus), also known as the Asian king vulture, Indian black vulture or Pondicherry vulture

Accipitridae from Latin accipiter/accipitri- "hawk".
accipitrinus Latin accipitrinus hawk-like (accipiter: hawk).
The scientific name Sarcogyps is derived from Ancient Greek and Latin. "Sarc-" comes from the Greek word "sarx" (meaning "flesh") and "-gyps" comes from the Greek word "gyps" (meaning "vulture"), making Sarcogyps mean "flesh vulture" or "vulture that eats flesh".