The ruddy mongoose is mainly a forest living animal in contrast to the grey and small Indian mongooses and prefers more secluded areas.

The meerkat is a small mongoose that is awake during the day.

Indigenous animals include porcupines, caracals, small grey mongoose, rock hyraxes (also known as dassies), and of course a many bird species.

The extinction of O. victus may be associated with the introduction of the small Asian mongoose to St. Vincent in the 1870s.

It is threatened by habitat loss and introduced predators such as the small Asian mongoose.

All other terrestrial mammals in the area were introduced by humans, and include species such as cats, goats, sheep, the small Asian mongoose, and escaped monkeys.

For example, the small Asian mongoose (Herpestes javanicus) was introduced in the 19th century to control the damage caused by rats in sugar cane plantations.

Two mongoose species, the small Indian mongoose and the common Indian gray mongoose, are occasionally found.

These include silver carp, tilapia, The area is also home to marsh mongoose and small Indian mongoose.

Their extinction may have been caused by habitat destruction and by introduced species such as the small Asian mongoose and the brown and black rat.