Nick Garbutt / Infant Golden-crowned Sifaka (Propithecus tattersalli) on its mother's back. Forests adjacent to the village of Andranotsimaty, near Daraina, northern Madagascar. Critically endangered species.

Nick Garbutt / Golden-crowned Sifaka (Propithecus tattersalli) leaping through forest canopy. Forests adjacent to the village of Andranotsimaty, near Daraina, northern Madagascar. Critically endangered species.

Andy Rouse / Coquerel's Sifaka (Propithecus coquereli) jumping, Palmarium Reserve, Madagascar

Andy Rouse / Coquerel's Sifaka (Propithecus coquereli) climbing tree, Palmarium Reserve, Madagascar

Andy Rouse / Coquerel's Sifakas (Propithecus coquereli) in coastal rainforest, Palmarium Reserve, Madagascar

Nick Garbutt / Golden-crowned Sifaka or Tattersall's Sifaka (Propithecus tattersalli) in forest near Andranotsimaty, Daraina, north east Madagascar. Critically Endangered.

Inaki Relanzon / Golden crowned sifaka lemur (Propithecus tattersalli) reaching out to touch hands with man in tropical dry forest, Daraina, North Madagascar.

Pete Oxford / Golden-crowned Sifaka (Propithecus tattersalli) peeking around tree trunk, critically endangered, Daraina, northeast Madagascar

Pete Oxford / Golden crowned sifaka, Madagascar. Endangered.

Pete Oxford / Golden crowned sifaka mother carrying young, Madagascar. Endangered. Andrano-tsimaty Village near Daraina

Pete Oxford / Golden crowned sifaka climbing, near Daraina, Madagascar

Nick Garbutt / Golden-crowned Sifakas or Tattersall's Sifakas (Propithecus tattersalli) feeding in forests near Andranotsimaty, Daraina, north east Madagascar. Critically Endangered.