Humboldts squirrel monkey (Saimiri cassiquiarensis)

Humboldt’s Squirrel Monkey / Ecuadorian Squirrel Monkey - feeding, Sani Lodge, Ecuador Some taxonomy notes:

Humboldts squirrel monkey (Saimiri cassiquiarensis) used to be considered a subspecies of the Common squirrel monkey (Saimiri sciureus) but has been elevated to full species status.

There's also the Ecuadorian Squirrel Monkey, which is now considered to be a subspecies of the Humboldt's squirrel monkey. Thus the species on the photo is Saimiri cassiquiarensis ssp. macrodon.
https://www.jungledragon.com/image/132196/humboldts_squirrel_monkey_ecuadorian_squirrel_monkey_sani_lodge_ecuador.html Ecuador,Ecuador 2021,Geotagged,Humboldts squirrel monkey,Saimiri cassiquiarensis,Sani Lodge,South America,Spring,World,Yasuni National Park

Appearance

Humboldt's squirrel monkey have a head and body length of between 25 and 37 cm with a tail between 36 and 45 cm. Its coloration is similar to that of the Guianan squirrel monkey but the fur on the base of the crown is golden yellow as compared with gray for the Guianan squirrel monkey. It eats fruits when available, primarily between January and June, and also eats insects.

Humboldt's squirrel monkey (Saimiri cassiquiarensis) Isla Patrullero, Amazonas, Colombia. Nov 13, 2022 Colombia,Geotagged,Humboldt's squirrel monkey,Saimiri cassiquiarensis,Spring

Naming

A genetic study by Jessica Lynch Alfaro, "et al" indicated that the Ecuadorian squirrel monkey may be synonymous with "Saimiri cassiquiarensis". As of 2018, the Ecuadorian squirrel monkey is generally regarded as a subspecies of Humboldt's squirrel monkey, "S. cassiquiarensis macrodon".

References:

Some text fragments are auto parsed from Wikipedia.

Taxonomy
Kingdom	Animalia
Division	Chordata
Class	Mammalia
Order	Primates
Family	Cebidae
Genus	Saimiri
Species	S. cassiquiarensis

Photographed in
Colombia
Ecuador