The Amazon–Orinoco–Southern Caribbean mangroves (NT1401) is an ecoregion along the coasts of Colombia, Venezuela, Guyana, Suriname, French Guiana and Brazil.

At a sample location inland from the coast at 4°45′N 56°15′W / 4.75°N 56.25°W / 4.75; -56.25 in the Raleigh Falls - Voltzberg Nature Reserve the temperatures are relatively stable throughout the year.

Typical species of fauna include scarlet ibis (Eudocimus ruber), American flamingo (Phoenicopterus ruber), magnificent frigatebird (Fregata magnificens), loggerhead sea turtle (Caretta caretta), hawksbill sea turtle (Eretmochelys imbricata), green sea turtle (Chelonia mydas), leatherback sea turtle (Dermochelys coriacea), West Indian manatee (Trichechus manatus), American crocodile (Crocodylus acutus), and giant otter (Pteronura brasiliensis).

[2] Endangered mammals include black-headed spider monkey (Ateles fusciceps), white-cheeked spider monkey (Ateles marginatus), black bearded saki (Chiropotes satanas), cotton-top tamarin (Saguinus oedipus) and giant otter (Pteronura brasiliensis).

[6] Endangered amphibians include Lesser Antilles robber frog (Pristimantis urichi).