The Thomson’s Gazelle (Gazella thomsonii) is cinnamon-coloured and the Grant’s Gazelle (Gazella granti) is sand-coloured.
The Thomson’s Gazelle lacks white on its body above the tail. The Grant’s Gazelle has white above the tail.
The Thomson’s Gazelle has a black tail. The Grant’s Gazelle has a white tail with a black tuft.
The Thomson’s Gazelle has a bold black side stripe separating the brown coat from its white underparts. The Grant’s Gazelle has no side stripe or a fainter black side stripe than the Thomson’s Gazelle.
The Thomson’s Gazelle is smaller than the Grant’s Gazelle.

Thomson’s Gazelle

Grant’s Gazelle
Photographer: Martina Nicolls
Martina Nicolls: SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM