Gazella dama (Dama Gazelle) - Lots of information, a photo, and a video of the dama gazelle from the Oakland Zoo. - http://www.oaklandzoo.org/meet_the_animals/dama-(addra)-gazelle
Gazella dorcas (Dorcas gazelle) - Detailed information about this species. - http://www.ultimateungulate.com/Artiodactyla/Gazella_dorcas.html
Gazella thomsoni (Thomson's Gazelle) - Facts and photos of Thomson's Gazelle. Discusses diet, habitat, predators and social life. - http://www.thebigzoo.com/Animals/Thomsons_Gazelle.asp
Gazella cuvieri (Cuvier's Gazelle) - General information about Cuvier's Gazelle - http://www.animalinfo.org/species/artiperi/gazecuvi.htm