Robin Chittenden / Golden-olive woodpecker (Colaptes rubiginosus) in tree. Trinidad and Tobago.
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Ernie Janes / RF - Golden-headed lion tamarin (Leontopithecus chrysomelas) captive, endemic to Brazil. (This image may be licensed either as rights managed or royalty free.)
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) adults, endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered